396878472 has 48 divisors (see below), whose sum is σ = 1076478000. Its totient is φ = 132096096.

The previous prime is 396878407. The next prime is 396878473. The reversal of 396878472 is 274878693.

396878472 is a `hidden beast` number, since 3 + 96 + 87 + 8 + 472 = 666.

It is not an unprimeable number, because it can be changed into a prime (396878473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49479 + ... + 56937.

It is an arithmetic number, because the mean of its divisors is an integer number (22426625).

Almost surely, 2^396878472 is an apocalyptic number.

It is an amenable number.

396878472 is an abundant number, since it is smaller than the sum of its proper divisors (679599528).

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

396878472 is a wasteful number, since it uses less digits than its factorization.

396878472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210 (or 8203 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 396878472 is about 19921.8089540082. The cubic root of 396878472 is about 734.8846577300.

The spelling of 396878472 in words is "three hundred ninety-six million, eight hundred seventy-eight thousand, four hundred seventy-two".