406624632 has 32 divisors (see below), whose sum is σ = 1076360400. Its totient is φ = 127568384.

The previous prime is 406624607. The next prime is 406624633. The reversal of 406624632 is 236426604.

It is a junction number, because it is equal to n+sod(n) for n = 406624593 and 406624602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406624633) 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, 497907 + ... + 498722.

Almost surely, 2^406624632 is an apocalyptic number.

It is an amenable number.

406624632 is an abundant number, since it is smaller than the sum of its proper divisors (669735768).

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

406624632 is a wasteful number, since it uses less digits than its factorization.

406624632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996655 (or 996651 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 406624632 is about 20164.9357053277. The cubic root of 406624632 is about 740.8516078395.

The spelling of 406624632 in words is "four hundred six million, six hundred twenty-four thousand, six hundred thirty-two".