906945939 has 12 divisors (see below), whose sum is σ = 1310493600. Its totient is φ = 604418064.

The previous prime is 906945917. The next prime is 906945947. The reversal of 906945939 is 939549609.

It is not a de Polignac number, because 906945939 - 2⁷ = 906945811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (906945239) 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, 11917 + ... + 44225.

It is an arithmetic number, because the mean of its divisors is an integer number (109207800).

Almost surely, 2^906945939 is an apocalyptic number.

906945939 is a deficient number, since it is larger than the sum of its proper divisors (403547661).

906945939 is a wasteful number, since it uses less digits than its factorization.

906945939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35434 (or 35431 counting only the distinct ones).

The product of its (nonzero) digits is 2361960, while the sum is 54.

The square root of 906945939 is about 30115.5431463555. The cubic root of 906945939 is about 967.9668111672.

The spelling of 906945939 in words is "nine hundred six million, nine hundred forty-five thousand, nine hundred thirty-nine".