396870828 has 24 divisors (see below), whose sum is σ = 929456640. Its totient is φ = 131801040.

The previous prime is 396870827. The next prime is 396870869. The reversal of 396870828 is 828078693.

It is not an unprimeable number, because it can be changed into a prime (396870821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57768 + ... + 64271.

It is an arithmetic number, because the mean of its divisors is an integer number (38727360).

Almost surely, 2^396870828 is an apocalyptic number.

It is an amenable number.

396870828 is an abundant number, since it is smaller than the sum of its proper divisors (532585812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396870828 is a wasteful number, since it uses less digits than its factorization.

396870828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122317 (or 122315 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 396870828 is about 19921.6171030366. The cubic root of 396870828 is about 734.8799396658.

The spelling of 396870828 in words is "three hundred ninety-six million, eight hundred seventy thousand, eight hundred twenty-eight".