890056109 has 8 divisors (see below), whose sum is σ = 899254272. Its totient is φ = 880904880.

The previous prime is 890056099. The next prime is 890056117. The reversal of 890056109 is 901650098.

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 890056109 - 2²⁰ = 889007533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890056169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27044 + ... + 50114.

It is an arithmetic number, because the mean of its divisors is an integer number (112406784).

Almost surely, 2^890056109 is an apocalyptic number.

It is an amenable number.

890056109 is a deficient number, since it is larger than the sum of its proper divisors (9198163).

890056109 is a wasteful number, since it uses less digits than its factorization.

890056109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23467.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 890056109 is about 29833.8081545082. The cubic root of 890056109 is about 961.9203851368.

The spelling of 890056109 in words is "eight hundred ninety million, fifty-six thousand, one hundred nine".