406712928 has 48 divisors (see below), whose sum is σ = 1076060160. Its totient is φ = 134499456.

The previous prime is 406712903. The next prime is 406712941. The reversal of 406712928 is 829217604.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4488 + ... + 28871.

It is an arithmetic number, because the mean of its divisors is an integer number (22417920).

Almost surely, 2^406712928 is an apocalyptic number.

406712928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

406712928 is an abundant number, since it is smaller than the sum of its proper divisors (669347232).

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

406712928 is a wasteful number, since it uses less digits than its factorization.

406712928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33499 (or 33491 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 406712928 is about 20167.1249314323. The cubic root of 406712928 is about 740.9052277256.

The spelling of 406712928 in words is "four hundred six million, seven hundred twelve thousand, nine hundred twenty-eight".