906331840 has 28 divisors (see below), whose sum is σ = 2158203456. Its totient is φ = 362532608.

The previous prime is 906331801. The next prime is 906331861. The reversal of 906331840 is 48133609.

It is a junction number, because it is equal to n+sod(n) for n = 906331796 and 906331805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415824 + ... + 1416463.

Almost surely, 2^906331840 is an apocalyptic number.

It is an amenable number.

906331840 is an abundant number, since it is smaller than the sum of its proper divisors (1251871616).

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

906331840 is a wasteful number, since it uses less digits than its factorization.

906331840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832304 (or 2832294 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 906331840 is about 30105.3457047083. The cubic root of 906331840 is about 967.7482896290.

The spelling of 906331840 in words is "nine hundred six million, three hundred thirty-one thousand, eight hundred forty".