890966980 has 12 divisors (see below), whose sum is σ = 1871030700. Its totient is φ = 356386784.

The previous prime is 890966969. The next prime is 890966983. The reversal of 890966980 is 89669098.

It can be written as a sum of positive squares in 2 ways, for example, as 212051844 + 678915136 = 14562^2 + 26056^2 .

It is not an unprimeable number, because it can be changed into a prime (890966983) 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, 22274155 + ... + 22274194.

It is an arithmetic number, because the mean of its divisors is an integer number (155919225).

Almost surely, 2^890966980 is an apocalyptic number.

It is an amenable number.

890966980 is an abundant number, since it is smaller than the sum of its proper divisors (980063720).

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

890966980 is a wasteful number, since it uses less digits than its factorization.

890966980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44548358 (or 44548356 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 890966980 is about 29849.0700022631. The cubic root of 890966980 is about 962.2484118953.

The spelling of 890966980 in words is "eight hundred ninety million, nine hundred sixty-six thousand, nine hundred eighty".