396746679 has 24 divisors (see below), whose sum is σ = 616183680. Its totient is φ = 226409904.

The previous prime is 396746617. The next prime is 396746699. The reversal of 396746679 is 976647693.

It is not a de Polignac number, because 396746679 - 2⁷ = 396746551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396746699) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154992 + ... + 157530.

It is an arithmetic number, because the mean of its divisors is an integer number (25674320).

Almost surely, 2^396746679 is an apocalyptic number.

396746679 is a deficient number, since it is larger than the sum of its proper divisors (219437001).

396746679 is a wasteful number, since it uses less digits than its factorization.

396746679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619 (or 3612 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 57.

The square root of 396746679 is about 19918.5009225092. The cubic root of 396746679 is about 734.8033033749.

The spelling of 396746679 in words is "three hundred ninety-six million, seven hundred forty-six thousand, six hundred seventy-nine".