891790060 has 24 divisors (see below), whose sum is σ = 2140296480. Its totient is φ = 305756544.

The previous prime is 891790037. The next prime is 891790069. The reversal of 891790060 is 60097198.

It is a super-2 number, since 2×891790060² = 1590579022229607200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 891789995 and 891790022.

It is not an unprimeable number, because it can be changed into a prime (891790069) 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, 3184825 + ... + 3185104.

It is an arithmetic number, because the mean of its divisors is an integer number (89179020).

Almost surely, 2^891790060 is an apocalyptic number.

It is an amenable number.

891790060 is an abundant number, since it is smaller than the sum of its proper divisors (1248506420).

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

891790060 is a wasteful number, since it uses less digits than its factorization.

891790060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369945 (or 6369943 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 891790060 is about 29862.8541837514. The cubic root of 891790060 is about 962.5446307522.

The spelling of 891790060 in words is "eight hundred ninety-one million, seven hundred ninety thousand, sixty".