352704989 has 48 divisors (see below), whose sum is σ = 466063920. Its totient is φ = 264176640.

The previous prime is 352704943. The next prime is 352704997. The reversal of 352704989 is 989407253.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 194825764 + 157879225 = 13958^2 + 12565^2 .

It is not a de Polignac number, because 352704989 - 2¹² = 352700893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352704929) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1126697 + ... + 1127009.

It is an arithmetic number, because the mean of its divisors is an integer number (9709665).

Almost surely, 2^352704989 is an apocalyptic number.

It is an amenable number.

352704989 is a deficient number, since it is larger than the sum of its proper divisors (113358931).

352704989 is a wasteful number, since it uses less digits than its factorization.

352704989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 352704989 is about 18780.4416614732. The cubic root of 352704989 is about 706.5407271069.

The spelling of 352704989 in words is "three hundred fifty-two million, seven hundred four thousand, nine hundred eighty-nine".