396922047 has 16 divisors (see below), whose sum is σ = 548352000. Its totient is φ = 255117600.

The previous prime is 396922039. The next prime is 396922049. The reversal of 396922047 is 740229693.

It is a happy number.

It is not a de Polignac number, because 396922047 - 2³ = 396922039 is a prime.

It is a super-2 number, since 2×396922047² = 315094222789340418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396922049) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17329 + ... + 33077.

It is an arithmetic number, because the mean of its divisors is an integer number (34272000).

Almost surely, 2^396922047 is an apocalyptic number.

396922047 is a deficient number, since it is larger than the sum of its proper divisors (151429953).

396922047 is a wasteful number, since it uses less digits than its factorization.

396922047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16054.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 396922047 is about 19922.9025746752. The cubic root of 396922047 is about 734.9115521316.

The spelling of 396922047 in words is "three hundred ninety-six million, nine hundred twenty-two thousand, forty-seven".