403252352 has 32 divisors (see below), whose sum is σ = 845641200. Its totient is φ = 191013120.

The previous prime is 403252349. The next prime is 403252357. The reversal of 403252352 is 253252304.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×403252352² = 325224918787063808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (403252357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80474 + ... + 85337.

Almost surely, 2^403252352 is an apocalyptic number.

It is an amenable number.

403252352 is an abundant number, since it is smaller than the sum of its proper divisors (442388848).

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

403252352 is a wasteful number, since it uses less digits than its factorization.

403252352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165844 (or 165832 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 403252352 is about 20081.1441905087. The cubic root of 403252352 is about 738.7978728962.

The spelling of 403252352 in words is "four hundred three million, two hundred fifty-two thousand, three hundred fifty-two".