906981704 has 8 divisors (see below), whose sum is σ = 1700590710. Its totient is φ = 453490848.

The previous prime is 906981683. The next prime is 906981707. The reversal of 906981704 is 407189609.

It can be written as a sum of positive squares in only one way, i.e., 607622500 + 299359204 = 24650^2 + 17302^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×906981704² = 1645231622781487232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (906981707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56686349 + ... + 56686364.

Almost surely, 2^906981704 is an apocalyptic number.

It is an amenable number.

906981704 is a deficient number, since it is larger than the sum of its proper divisors (793609006).

906981704 is a wasteful number, since it uses less digits than its factorization.

906981704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113372719 (or 113372715 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 906981704 is about 30116.1369368649. The cubic root of 906981704 is about 967.9795347767.

The spelling of 906981704 in words is "nine hundred six million, nine hundred eighty-one thousand, seven hundred four".