352489972 has 12 divisors (see below), whose sum is σ = 633529540. Its totient is φ = 171481536.

The previous prime is 352489967. The next prime is 352490003. The reversal of 352489972 is 279984253.

It can be written as a sum of positive squares in 2 ways, for example, as 313502436 + 38987536 = 17706^2 + 6244^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190697 + ... + 1190992.

Almost surely, 2^352489972 is an apocalyptic number.

It is an amenable number.

352489972 is a deficient number, since it is larger than the sum of its proper divisors (281039568).

352489972 is a wasteful number, since it uses less digits than its factorization.

352489972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381730 (or 2381728 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 352489972 is about 18774.7162961255. The cubic root of 352489972 is about 706.3971234781.

The spelling of 352489972 in words is "three hundred fifty-two million, four hundred eighty-nine thousand, nine hundred seventy-two".