890686044 has 30 divisors (see below), whose sum is σ = 2328430104. Its totient is φ = 296895240.

The previous prime is 890686037. The next prime is 890686073. The reversal of 890686044 is 440686098.

It is a happy number.

890686044 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.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1374192 + ... + 1374839.

Almost surely, 2^890686044 is an apocalyptic number.

It is an amenable number.

890686044 is an abundant number, since it is smaller than the sum of its proper divisors (1437744060).

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

890686044 is a wasteful number, since it uses less digits than its factorization.

890686044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749047 (or 2749036 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 890686044 is about 29844.3636889782. The cubic root of 890686044 is about 962.1472638752.

The spelling of 890686044 in words is "eight hundred ninety million, six hundred eighty-six thousand, forty-four".