361577394 has 96 divisors (see below), whose sum is σ = 845273520. Its totient is φ = 111476736.

The previous prime is 361577389. The next prime is 361577413. The reversal of 361577394 is 493775163.

It can be written as a sum of positive squares in 8 ways, for example, as 209178369 + 152399025 = 14463^2 + 12345^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1873362 + ... + 1873554.

Almost surely, 2^361577394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361577394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422636760).

361577394 is an abundant number, since it is smaller than the sum of its proper divisors (483696126).

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

361577394 is a wasteful number, since it uses less digits than its factorization.

361577394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 361 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 361577394 is about 19015.1885081374. The cubic root of 361577394 is about 712.4161511670.

The spelling of 361577394 in words is "three hundred sixty-one million, five hundred seventy-seven thousand, three hundred ninety-four".