396134079 has 24 divisors (see below), whose sum is σ = 581079168. Its totient is φ = 238062240.

The previous prime is 396134071. The next prime is 396134107. The reversal of 396134079 is 970431693.

It is not a de Polignac number, because 396134079 - 2³ = 396134071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396134079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396134071) 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, 813174 + ... + 813660.

It is an arithmetic number, because the mean of its divisors is an integer number (24211632).

Almost surely, 2^396134079 is an apocalyptic number.

396134079 is a deficient number, since it is larger than the sum of its proper divisors (184945089).

396134079 is a wasteful number, since it uses less digits than its factorization.

396134079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 396134079 is about 19903.1173186514. The cubic root of 396134079 is about 734.4249155122.

The spelling of 396134079 in words is "three hundred ninety-six million, one hundred thirty-four thousand, seventy-nine".