403164252 has 18 divisors (see below), whose sum is σ = 1019109728. Its totient is φ = 134388072.

The previous prime is 403164233. The next prime is 403164271. The reversal of 403164252 is 252461304.

403164252 is a `hidden beast` number, since 403 + 1 + 6 + 4 + 252 = 666.

It is an interprime number because it is at equal distance from previous prime (403164233) and next prime (403164271).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5599468 + ... + 5599539.

Almost surely, 2^403164252 is an apocalyptic number.

It is an amenable number.

403164252 is an abundant number, since it is smaller than the sum of its proper divisors (615945476).

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

403164252 is a wasteful number, since it uses less digits than its factorization.

403164252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11199017 (or 11199012 counting only the distinct ones).

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

The square root of 403164252 is about 20078.9504705799. The cubic root of 403164252 is about 738.7440663631.

The spelling of 403164252 in words is "four hundred three million, one hundred sixty-four thousand, two hundred fifty-two".