890540956 has 12 divisors (see below), whose sum is σ = 1626205392. Its totient is φ = 425910848.

The previous prime is 890540953. The next prime is 890540957. The reversal of 890540956 is 659045098.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890540953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4839805 + ... + 4839988.

It is an arithmetic number, because the mean of its divisors is an integer number (135517116).

Almost surely, 2^890540956 is an apocalyptic number.

It is an amenable number.

890540956 is a deficient number, since it is larger than the sum of its proper divisors (735664436).

890540956 is a wasteful number, since it uses less digits than its factorization.

890540956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9679820 (or 9679818 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 890540956 is about 29841.9328462484. The cubic root of 890540956 is about 962.0950181545.

The spelling of 890540956 in words is "eight hundred ninety million, five hundred forty thousand, nine hundred fifty-six".