402846252 has 12 divisors (see below), whose sum is σ = 939974616. Its totient is φ = 134282080.

The previous prime is 402846239. The next prime is 402846253. The reversal of 402846252 is 252648204.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (402846253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16785249 + ... + 16785272.

It is an arithmetic number, because the mean of its divisors is an integer number (78331218).

Almost surely, 2^402846252 is an apocalyptic number.

It is an amenable number.

402846252 is an abundant number, since it is smaller than the sum of its proper divisors (537128364).

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

402846252 is a wasteful number, since it uses less digits than its factorization.

402846252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33570528 (or 33570526 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 402846252 is about 20071.0301678813. The cubic root of 402846252 is about 738.5497845830.

The spelling of 402846252 in words is "four hundred two million, eight hundred forty-six thousand, two hundred fifty-two".