10902389 has 4 divisors (see below), whose sum is σ = 11543724. Its totient is φ = 10261056.

The previous prime is 10902379. The next prime is 10902403. The reversal of 10902389 is 98320901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9872164 + 1030225 = 3142^2 + 1015^2 .

It is a cyclic number.

It is not a de Polignac number, because 10902389 - 2⁴ = 10902373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10902379) 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, 320642 + ... + 320675.

It is an arithmetic number, because the mean of its divisors is an integer number (2885931).

Almost surely, 2^10902389 is an apocalyptic number.

It is an amenable number.

10902389 is a deficient number, since it is larger than the sum of its proper divisors (641335).

10902389 is an equidigital number, since it uses as much as digits as its factorization.

10902389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641334.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 10902389 is about 3301.8765876392. The cubic root of 10902389 is about 221.7382205040.

The spelling of 10902389 in words is "ten million, nine hundred two thousand, three hundred eighty-nine".