396379791 has 16 divisors (see below), whose sum is σ = 587846400. Its totient is φ = 263975544.

The previous prime is 396379751. The next prime is 396379799. The reversal of 396379791 is 197973693.

It is not a de Polignac number, because 396379791 - 2⁷ = 396379663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396379799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20310 + ... + 34716.

It is an arithmetic number, because the mean of its divisors is an integer number (36740400).

Almost surely, 2^396379791 is an apocalyptic number.

396379791 is a deficient number, since it is larger than the sum of its proper divisors (191466609).

396379791 is a wasteful number, since it uses less digits than its factorization.

396379791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15435 (or 15429 counting only the distinct ones).

The product of its digits is 1928934, while the sum is 54.

The square root of 396379791 is about 19909.2890631484. The cubic root of 396379791 is about 734.5767325579.

The spelling of 396379791 in words is "three hundred ninety-six million, three hundred seventy-nine thousand, seven hundred ninety-one".