361217428 has 96 divisors (see below), whose sum is σ = 795408768. Its totient is φ = 142179840.

The previous prime is 361217413. The next prime is 361217429. The reversal of 361217428 is 824712163.

361217428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 361217393 and 361217402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361217429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1176451 + ... + 1176757.

It is an arithmetic number, because the mean of its divisors is an integer number (8285508).

Almost surely, 2^361217428 is an apocalyptic number.

It is an amenable number.

361217428 is an abundant number, since it is smaller than the sum of its proper divisors (434191340).

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

361217428 is a wasteful number, since it uses less digits than its factorization.

361217428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 350 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 361217428 is about 19005.7209281837. The cubic root of 361217428 is about 712.1796589300.

The spelling of 361217428 in words is "three hundred sixty-one million, two hundred seventeen thousand, four hundred twenty-eight".