396169406 has 16 divisors (see below), whose sum is σ = 629046000. Its totient is φ = 186805248.

The previous prime is 396169393. The next prime is 396169427. The reversal of 396169406 is 604961693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76931 + ... + 81918.

It is an arithmetic number, because the mean of its divisors is an integer number (39315375).

Almost surely, 2^396169406 is an apocalyptic number.

396169406 is a deficient number, since it is larger than the sum of its proper divisors (232876594).

396169406 is a wasteful number, since it uses less digits than its factorization.

396169406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158923.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 396169406 is about 19904.0047729094. The cubic root of 396169406 is about 734.4467467214.

The spelling of 396169406 in words is "three hundred ninety-six million, one hundred sixty-nine thousand, four hundred six".