900616840 has 32 divisors (see below), whose sum is σ = 2031713280. Its totient is φ = 359300032.

The previous prime is 900616813. The next prime is 900616861. The reversal of 900616840 is 48616009.

It is a super-2 number, since 2×900616840² = 1622221384983171200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 900616796 and 900616805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14074 + ... + 44713.

It is an arithmetic number, because the mean of its divisors is an integer number (63491040).

Almost surely, 2^900616840 is an apocalyptic number.

It is an amenable number.

900616840 is an abundant number, since it is smaller than the sum of its proper divisors (1131096440).

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

900616840 is a wasteful number, since it uses less digits than its factorization.

900616840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59181 (or 59177 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 900616840 is about 30010.2789057349. The cubic root of 900616840 is about 965.7099092220.

The spelling of 900616840 in words is "nine hundred million, six hundred sixteen thousand, eight hundred forty".