396677716 has 12 divisors (see below), whose sum is σ = 694529332. Its totient is φ = 198240768.

The previous prime is 396677713. The next prime is 396677719. The reversal of 396677716 is 617776693.

It is an interprime number because it is at equal distance from previous prime (396677713) and next prime (396677719).

It can be written as a sum of positive squares in 2 ways, for example, as 4796100 + 391881616 = 2190^2 + 19796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396677713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15015 + ... + 31918.

Almost surely, 2^396677716 is an apocalyptic number.

It is an amenable number.

396677716 is a deficient number, since it is larger than the sum of its proper divisors (297851616).

396677716 is a wasteful number, since it uses less digits than its factorization.

396677716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49050 (or 49048 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 52.

The square root of 396677716 is about 19916.7697180040. The cubic root of 396677716 is about 734.7607261006.

The spelling of 396677716 in words is "three hundred ninety-six million, six hundred seventy-seven thousand, seven hundred sixteen".