352021872 has 20 divisors (see below), whose sum is σ = 909389960. Its totient is φ = 117340608.

The previous prime is 352021853. The next prime is 352021889. The reversal of 352021872 is 278120253.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3666847 + ... + 3666942.

It is an arithmetic number, because the mean of its divisors is an integer number (45469498).

Almost surely, 2^352021872 is an apocalyptic number.

It is an amenable number.

352021872 is an abundant number, since it is smaller than the sum of its proper divisors (557368088).

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

352021872 is a wasteful number, since it uses less digits than its factorization.

352021872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7333800 (or 7333794 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 352021872 is about 18762.2459209978. The cubic root of 352021872 is about 706.0842909629.

The spelling of 352021872 in words is "three hundred fifty-two million, twenty-one thousand, eight hundred seventy-two".