406974128 has 40 divisors (see below), whose sum is σ = 878515200. Its totient is φ = 181048640.

The previous prime is 406974119. The next prime is 406974131. The reversal of 406974128 is 821479604.

It is a super-2 number, since 2×406974128² = 331255881722720768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16328 + ... + 32871.

It is an arithmetic number, because the mean of its divisors is an integer number (21962880).

Almost surely, 2^406974128 is an apocalyptic number.

It is an amenable number.

406974128 is an abundant number, since it is smaller than the sum of its proper divisors (471541072).

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

406974128 is a wasteful number, since it uses less digits than its factorization.

406974128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49265 (or 49259 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 406974128 is about 20173.5997779276. The cubic root of 406974128 is about 741.0638023355.

The spelling of 406974128 in words is "four hundred six million, nine hundred seventy-four thousand, one hundred twenty-eight".