906985720 has 16 divisors (see below), whose sum is σ = 2040717960. Its totient is φ = 362794272.

The previous prime is 906985711. The next prime is 906985733. The reversal of 906985720 is 27589609.

It is a super-3 number, since 3×906985720³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11337282 + ... + 11337361.

Almost surely, 2^906985720 is an apocalyptic number.

It is an amenable number.

906985720 is an abundant number, since it is smaller than the sum of its proper divisors (1133732240).

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

906985720 is a wasteful number, since it uses less digits than its factorization.

906985720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22674654 (or 22674650 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 906985720 is about 30116.2036120093. The cubic root of 906985720 is about 967.9809634715.

The spelling of 906985720 in words is "nine hundred six million, nine hundred eighty-five thousand, seven hundred twenty".