890983680 has 144 divisors (see below), whose sum is σ = 2922952704. Its totient is φ = 231137280.

The previous prime is 890983657. The next prime is 890983727. The reversal of 890983680 is 86389098.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138945 + ... + 145215.

Almost surely, 2^890983680 is an apocalyptic number.

890983680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 890983680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1461476352).

890983680 is an abundant number, since it is smaller than the sum of its proper divisors (2031969024).

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

890983680 is a wasteful number, since it uses less digits than its factorization.

890983680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6332 (or 6318 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 890983680 is about 29849.3497416610. The cubic root of 890983680 is about 962.2544238832.

The spelling of 890983680 in words is "eight hundred ninety million, nine hundred eighty-three thousand, six hundred eighty".