1164564 has 48 divisors (see below), whose sum is σ = 3104640. Its totient is φ = 377280.

The previous prime is 1164557. The next prime is 1164571. The reversal of 1164564 is 4654611.

1164564 is a `hidden beast` number, since 11 + 645 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1164557) and next prime (1164571).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4297 + ... + 4559.

It is an arithmetic number, because the mean of its divisors is an integer number (64680).

2^1164564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1164564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552320).

1164564 is an abundant number, since it is smaller than the sum of its proper divisors (1940076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1164564 is a wasteful number, since it uses less digits than its factorization.

1164564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 309 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1164564 is about 1079.1496652457. The cubic root of 1164564 is about 105.2093781247.

It can be divided in two parts, 1164 and 564, that added together give a cube (1728 = 12³).

The spelling of 1164564 in words is "one million, one hundred sixty-four thousand, five hundred sixty-four".