406422608 has 20 divisors (see below), whose sum is σ = 788336448. Its totient is φ = 202980960.

The previous prime is 406422563. The next prime is 406422661. The reversal of 406422608 is 806224604.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635 + ... + 28517.

Almost surely, 2^406422608 is an apocalyptic number.

It is an amenable number.

406422608 is a deficient number, since it is larger than the sum of its proper divisors (381913840).

406422608 is a wasteful number, since it uses less digits than its factorization.

406422608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28802 (or 28796 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 406422608 is about 20159.9257935142. The cubic root of 406422608 is about 740.7288946644.

The spelling of 406422608 in words is "four hundred six million, four hundred twenty-two thousand, six hundred eight".