10564389 has 36 divisors (see below), whose sum is σ = 17117100. Its totient is φ = 6272640.

The previous prime is 10564387. The next prime is 10564391. The reversal of 10564389 is 98346501.

10564389 is a `hidden beast` number, since 1 + 0 + 5 + 643 + 8 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (10564387) and next prime (10564391).

It can be written as a sum of positive squares in 2 ways, for example, as 4601025 + 5963364 = 2145^2 + 2442^2 .

It is not a de Polignac number, because 10564389 - 2¹ = 10564387 is a prime.

It is a super-2 number, since 2×10564389² = 223212629886642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10564387) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 96867 + ... + 96975.

It is an arithmetic number, because the mean of its divisors is an integer number (475475).

Almost surely, 2^10564389 is an apocalyptic number.

It is an amenable number.

10564389 is a deficient number, since it is larger than the sum of its proper divisors (6552711).

10564389 is a wasteful number, since it uses less digits than its factorization.

10564389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 10564389 is about 3250.2906023923. The cubic root of 10564389 is about 219.4226528570.

It can be divided in two parts, 1056 and 4389, that added together give a palindrome (5445).

The spelling of 10564389 in words is "ten million, five hundred sixty-four thousand, three hundred eighty-nine".