352012644 has 81 divisors (see below), whose sum is σ = 922547353. Its totient is φ = 113172384.

The previous prime is 352012621. The next prime is 352012667. The reversal of 352012644 is 446210253.

The square root of 352012644 is 18762.

It is a perfect power (a square), and thus also a powerful number.

352012644 is a `hidden beast` number, since 3 + 5 + 2 + 0 + 12 + 644 = 666.

It is an interprime number because it is at equal distance from previous prime (352012621) and next prime (352012667).

It can be written as a sum of positive squares in only one way, i.e., 253764900 + 98247744 = 15930^2 + 9912^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5966287 + ... + 5966345.

Almost surely, 2^352012644 is an apocalyptic number.

352012644 is the 18762-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 352012644

352012644 is an abundant number, since it is smaller than the sum of its proper divisors (570534709).

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

352012644 is a wasteful number, since it uses less digits than its factorization.

352012644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The cubic root of 352012644 is about 706.0781210784.

Adding to 352012644 its reverse (446210253), we get a palindrome (798222897).

The spelling of 352012644 in words is "three hundred fifty-two million, twelve thousand, six hundred forty-four".