352217928 has 32 divisors (see below), whose sum is σ = 893691360. Its totient is φ = 115653120.

The previous prime is 352217927. The next prime is 352217933. The reversal of 352217928 is 829712253.

It is a super-2 number, since 2×352217928² = 248114937609226368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (352217923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107913 + ... + 111128.

It is an arithmetic number, because the mean of its divisors is an integer number (27927855).

Almost surely, 2^352217928 is an apocalyptic number.

It is an amenable number.

352217928 is an abundant number, since it is smaller than the sum of its proper divisors (541473432).

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

352217928 is a wasteful number, since it uses less digits than its factorization.

352217928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219117 (or 219113 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 352217928 is about 18767.4699413640. The cubic root of 352217928 is about 706.2153494577.

The spelling of 352217928 in words is "three hundred fifty-two million, two hundred seventeen thousand, nine hundred twenty-eight".