396786428929 has 16 divisors (see below), whose sum is σ = 435810383424. Its totient is φ = 358258868800.

The previous prime is 396786428923. The next prime is 396786428989. The reversal of 396786428929 is 929824687693.

It is a cyclic number.

It is not a de Polignac number, because 396786428929 - 2²⁷ = 396652211201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396786428923) 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, 1740447 + ... + 1955179.

It is an arithmetic number, because the mean of its divisors is an integer number (27238148964).

Almost surely, 2^396786428929 is an apocalyptic number.

It is an amenable number.

396786428929 is a deficient number, since it is larger than the sum of its proper divisors (39023954495).

396786428929 is a wasteful number, since it uses less digits than its factorization.

396786428929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215888.

The product of its digits is 564350976, while the sum is 73.

The spelling of 396786428929 in words is "three hundred ninety-six billion, seven hundred eighty-six million, four hundred twenty-eight thousand, nine hundred twenty-nine".