906906906 has 24 divisors (see below), whose sum is σ = 1977983904. Its totient is φ = 300299400.

The previous prime is 906906899. The next prime is 906906911. The reversal of 906906906 is 609609609.

906906906 is a strobogrammatic number because it is the same when read upside-down.

906906906 is a modest number, since divided by 906906 gives 906 as remainder.

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, 164116 + ... + 169551.

It is an arithmetic number, because the mean of its divisors is an integer number (82415996).

Almost surely, 2^906906906 is an apocalyptic number.

906906906 is an abundant number, since it is smaller than the sum of its proper divisors (1071076998).

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

906906906 is a wasteful number, since it uses less digits than its factorization.

906906906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333826 (or 333823 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 906906906 is about 30114.8950853228. The cubic root of 906906906 is about 967.9529245656.

The spelling of 906906906 in words is "nine hundred six million, nine hundred six thousand, nine hundred six".