406774172 has 24 divisors (see below), whose sum is σ = 819016800. Its totient is φ = 173160000.

The previous prime is 406774171. The next prime is 406774201. The reversal of 406774172 is 271477604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406774171) 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, 44579 + ... + 52922.

It is an arithmetic number, because the mean of its divisors is an integer number (34125700).

Almost surely, 2^406774172 is an apocalyptic number.

It is an amenable number.

406774172 is an abundant number, since it is smaller than the sum of its proper divisors (412242628).

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

406774172 is a wasteful number, since it uses less digits than its factorization.

406774172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97661 (or 97659 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 406774172 is about 20168.6432860517. The cubic root of 406774172 is about 740.9424150709.

The spelling of 406774172 in words is "four hundred six million, seven hundred seventy-four thousand, one hundred seventy-two".