890072 has 32 divisors (see below), whose sum is σ = 1787520. Its totient is φ = 414720.

The previous prime is 890063. The next prime is 890083. The reversal of 890072 is 270098.

890072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

890072 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9128 + ... + 9224.

It is an arithmetic number, because the mean of its divisors is an integer number (55860).

2⁸⁹⁰⁰⁷² is an apocalyptic number.

It is an amenable number.

890072 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

890072 is a wasteful number, since it uses less digits than its factorization.

890072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 890072 is about 943.4362723576. The cubic root of 890072 is about 96.1926109789.

Adding to 890072 its sum of digits (26), we get a palindrome (890098).

The spelling of 890072 in words is "eight hundred ninety thousand, seventy-two".