427616406 has 24 divisors (see below), whose sum is σ = 1058859984. Its totient is φ = 122176080.

The previous prime is 427616393. The next prime is 427616443. The reversal of 427616406 is 604616724.

427616406 is a `hidden beast` number, since 4 + 2 + 7 + 6 + 1 + 640 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1696765 + ... + 1697016.

It is an arithmetic number, because the mean of its divisors is an integer number (44119166).

Almost surely, 2^427616406 is an apocalyptic number.

427616406 is an abundant number, since it is smaller than the sum of its proper divisors (631243578).

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

427616406 is a wasteful number, since it uses less digits than its factorization.

427616406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393796 (or 3393793 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 427616406 is about 20678.8879294802. The cubic root of 427616406 is about 753.3869959859.

The spelling of 427616406 in words is "four hundred twenty-seven million, six hundred sixteen thousand, four hundred six".