361639476 has 108 divisors (see below), whose sum is σ = 1022025732. Its totient is φ = 107712000.

The previous prime is 361639471. The next prime is 361639513. The reversal of 361639476 is 674936163.

361639476 is a `hidden beast` number, since 3 + 6 + 1 + 639 + 4 + 7 + 6 = 666.

361639476 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 32216976 + 329422500 = 5676^2 + 18150^2 .

It is a super-2 number, since 2×361639476² = 261566221203109152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361639471) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 265036 + ... + 266396.

Almost surely, 2^361639476 is an apocalyptic number.

361639476 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361639476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511012866).

361639476 is an abundant number, since it is smaller than the sum of its proper divisors (660386256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

361639476 is a wasteful number, since it uses less digits than its factorization.

361639476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1438 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 361639476 is about 19016.8208699562. The cubic root of 361639476 is about 712.4569222340.

The spelling of 361639476 in words is "three hundred sixty-one million, six hundred thirty-nine thousand, four hundred seventy-six".