403615252 has 12 divisors (see below), whose sum is σ = 743501920. Its totient is φ = 191186136.

The previous prime is 403615249. The next prime is 403615349. The reversal of 403615252 is 252516304.

It is a self number, because there is not a number n which added to its sum of digits gives 403615252.

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, 2655288 + ... + 2655439.

Almost surely, 2^403615252 is an apocalyptic number.

It is an amenable number.

403615252 is a deficient number, since it is larger than the sum of its proper divisors (339886668).

403615252 is a wasteful number, since it uses less digits than its factorization.

403615252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310750 (or 5310748 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 403615252 is about 20090.1779982159. The cubic root of 403615252 is about 739.0194292492.

The spelling of 403615252 in words is "four hundred three million, six hundred fifteen thousand, two hundred fifty-two".