403790916 has 48 divisors (see below), whose sum is σ = 981348480. Its totient is φ = 129104640.

The previous prime is 403790887. The next prime is 403790939. The reversal of 403790916 is 619097304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25120 + ... + 37928.

It is an arithmetic number, because the mean of its divisors is an integer number (20444760).

Almost surely, 2^403790916 is an apocalyptic number.

It is an amenable number.

403790916 is an abundant number, since it is smaller than the sum of its proper divisors (577557564).

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

403790916 is a wasteful number, since it uses less digits than its factorization.

403790916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12924 (or 12922 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 403790916 is about 20094.5494102256. The cubic root of 403790916 is about 739.1266272795.

The spelling of 403790916 in words is "four hundred three million, seven hundred ninety thousand, nine hundred sixteen".