396787630 has 32 divisors (see below), whose sum is σ = 749160576. Its totient is φ = 151133184.

The previous prime is 396787619. The next prime is 396787649. The reversal of 396787630 is 36787693.

It is a congruent number.

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, 5982 + ... + 28798.

It is an arithmetic number, because the mean of its divisors is an integer number (23411268).

Almost surely, 2^396787630 is an apocalyptic number.

396787630 is a deficient number, since it is larger than the sum of its proper divisors (352372946).

396787630 is a wasteful number, since it uses less digits than its factorization.

396787630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22908.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The square root of 396787630 is about 19919.5288598902. The cubic root of 396787630 is about 734.8285839014.

The spelling of 396787630 in words is "three hundred ninety-six million, seven hundred eighty-seven thousand, six hundred thirty".