408434712 has 64 divisors (see below), whose sum is σ = 1198513920. Its totient is φ = 113539968.

The previous prime is 408434701. The next prime is 408434717. The reversal of 408434712 is 217434804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408434717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26638 + ... + 39069.

It is an arithmetic number, because the mean of its divisors is an integer number (18726780).

Almost surely, 2^408434712 is an apocalyptic number.

408434712 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

408434712 is an abundant number, since it is smaller than the sum of its proper divisors (790079208).

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

408434712 is a wasteful number, since it uses less digits than its factorization.

408434712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65760 (or 65756 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 408434712 is about 20209.7677374086. The cubic root of 408434712 is about 741.9492752115.

The spelling of 408434712 in words is "four hundred eight million, four hundred thirty-four thousand, seven hundred twelve".