890551069 has 16 divisors (see below), whose sum is σ = 962064000. Its totient is φ = 821297664.

The previous prime is 890551021. The next prime is 890551117. The reversal of 890551069 is 960155098.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (890551021) and next prime (890551117).

It is a cyclic number.

It is not a de Polignac number, because 890551069 - 2²⁷ = 756333341 is a prime.

It is a super-2 number, since 2×890551069² = 1586162412994085522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890551469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224697 + ... + 228625.

It is an arithmetic number, because the mean of its divisors is an integer number (60129000).

Almost surely, 2^890551069 is an apocalyptic number.

It is an amenable number.

890551069 is a deficient number, since it is larger than the sum of its proper divisors (71512931).

890551069 is a wasteful number, since it uses less digits than its factorization.

890551069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212.

The product of its (nonzero) digits is 97200, while the sum is 43.

The square root of 890551069 is about 29842.1022885453. The cubic root of 890551069 is about 962.0986599972.

The spelling of 890551069 in words is "eight hundred ninety million, five hundred fifty-one thousand, sixty-nine".