890982513 has 18 divisors (see below), whose sum is σ = 1298632166. Its totient is φ = 588655872.

The previous prime is 890982503. The next prime is 890982527. The reversal of 890982513 is 315289098.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 8714304 + 882268209 = 2952^2 + 29703^2 .

It is not a de Polignac number, because 890982513 - 2⁴ = 890982497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890982503) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 111045 + ... + 118797.

Almost surely, 2^890982513 is an apocalyptic number.

It is an amenable number.

890982513 is a deficient number, since it is larger than the sum of its proper divisors (407649653).

890982513 is a wasteful number, since it uses less digits than its factorization.

890982513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985 (or 7869 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 890982513 is about 29849.3301934901. The cubic root of 890982513 is about 962.2540037664.

The spelling of 890982513 in words is "eight hundred ninety million, nine hundred eighty-two thousand, five hundred thirteen".