352688644 has 24 divisors (see below), whose sum is σ = 769503168. Its totient is φ = 137411040.

The previous prime is 352688639. The next prime is 352688671. The reversal of 352688644 is 446886253.

It is a junction number, because it is equal to n+sod(n) for n = 352688594 and 352688603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572239 + ... + 572854.

It is an arithmetic number, because the mean of its divisors is an integer number (32062632).

Almost surely, 2^352688644 is an apocalyptic number.

It is an amenable number.

352688644 is an abundant number, since it is smaller than the sum of its proper divisors (416814524).

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

352688644 is a wasteful number, since it uses less digits than its factorization.

352688644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145115 (or 1145113 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 46.

The square root of 352688644 is about 18780.0064962715. The cubic root of 352688644 is about 706.5298128046.

The spelling of 352688644 in words is "three hundred fifty-two million, six hundred eighty-eight thousand, six hundred forty-four".