890532865 has 8 divisors (see below), whose sum is σ = 1070784000. Its totient is φ = 710996592.

The previous prime is 890532827. The next prime is 890532893. The reversal of 890532865 is 568235098.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 890532865 - 2⁷ = 890532737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175969 + ... + 180958.

It is an arithmetic number, because the mean of its divisors is an integer number (133848000).

Almost surely, 2^890532865 is an apocalyptic number.

It is an amenable number.

890532865 is a deficient number, since it is larger than the sum of its proper divisors (180251135).

890532865 is a wasteful number, since it uses less digits than its factorization.

890532865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357431.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 890532865 is about 29841.7972816652. The cubic root of 890532865 is about 962.0921044445.

The spelling of 890532865 in words is "eight hundred ninety million, five hundred thirty-two thousand, eight hundred sixty-five".