396544071 has 32 divisors (see below), whose sum is σ = 665280000. Its totient is φ = 204094080.

The previous prime is 396544069. The next prime is 396544073. The reversal of 396544071 is 170445693.

It is an interprime number because it is at equal distance from previous prime (396544069) and next prime (396544073).

It is not a de Polignac number, because 396544071 - 2¹ = 396544069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396544073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17305 + ... + 33053.

It is an arithmetic number, because the mean of its divisors is an integer number (20790000).

Almost surely, 2^396544071 is an apocalyptic number.

396544071 is a deficient number, since it is larger than the sum of its proper divisors (268735929).

396544071 is a wasteful number, since it uses less digits than its factorization.

396544071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15879.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 396544071 is about 19913.4143481222. The cubic root of 396544071 is about 734.6782005614.

The spelling of 396544071 in words is "three hundred ninety-six million, five hundred forty-four thousand, seventy-one".