906656994 has 24 divisors (see below), whose sum is σ = 1966337100. Its totient is φ = 301924608.

The previous prime is 906656983. The next prime is 906656999. The reversal of 906656994 is 499656609.

It is a happy number.

906656994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 903783969 + 2873025 = 30063^2 + 1695^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 906656994.

It is not an unprimeable number, because it can be changed into a prime (906656999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5127 + ... + 42890.

Almost surely, 2^906656994 is an apocalyptic number.

906656994 is an abundant number, since it is smaller than the sum of its proper divisors (1059680106).

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

906656994 is a wasteful number, since it uses less digits than its factorization.

906656994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49074 (or 49071 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The square root of 906656994 is about 30110.7454906052. The cubic root of 906656994 is about 967.8640050109.

The spelling of 906656994 in words is "nine hundred six million, six hundred fifty-six thousand, nine hundred ninety-four".