890518860 has 480 divisors, whose sum is σ = 3571223040. Its totient is φ = 181906560.

The previous prime is 890518843. The next prime is 890518873. The reversal of 890518860 is 68815098.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 15093511 + ... + 15093569.

It is an arithmetic number, because the mean of its divisors is an integer number (7440048).

Almost surely, 2^890518860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 890518860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785611520).

890518860 is an abundant number, since it is smaller than the sum of its proper divisors (2680704180).

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

890518860 is a wasteful number, since it uses less digits than its factorization.

890518860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 890518860 is about 29841.5626266454. The cubic root of 890518860 is about 962.0870609583.

The spelling of 890518860 in words is "eight hundred ninety million, five hundred eighteen thousand, eight hundred sixty".