839490560 has 88 divisors (see below), whose sum is σ = 2033014896. Its totient is φ = 332595200.

The previous prime is 839490541. The next prime is 839490563. The reversal of 839490560 is 65094938.

It is a super-2 number, since 2×839490560² = 1409488800658227200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (839490563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577835 + ... + 579285.

It is an arithmetic number, because the mean of its divisors is an integer number (23102442).

Almost surely, 2^839490560 is an apocalyptic number.

839490560 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 839490560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016507448).

839490560 is an abundant number, since it is smaller than the sum of its proper divisors (1193524336).

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

839490560 is a wasteful number, since it uses less digits than its factorization.

839490560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589 (or 1571 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 839490560 is about 28973.9634844803. The cubic root of 839490560 is about 943.3480128848.

The spelling of 839490560 in words is "eight hundred thirty-nine million, four hundred ninety thousand, five hundred sixty".