396990950 has 36 divisors (see below), whose sum is σ = 746840220. Its totient is φ = 156994320.

The previous prime is 396990941. The next prime is 396990961. The reversal of 396990950 is 59099693.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1660931 + ... + 1661169.

Almost surely, 2^396990950 is an apocalyptic number.

396990950 is a deficient number, since it is larger than the sum of its proper divisors (349849270).

396990950 is a wasteful number, since it uses less digits than its factorization.

396990950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 590490, while the sum is 50.

The square root of 396990950 is about 19924.6317406370. The cubic root of 396990950 is about 734.9540749068.

The spelling of 396990950 in words is "three hundred ninety-six million, nine hundred ninety thousand, nine hundred fifty".