1004538564 has 24 divisors (see below), whose sum is σ = 2604359520. Its totient is φ = 334846152.

The previous prime is 1004538533. The next prime is 1004538599. The reversal of 1004538564 is 4658354001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4650534 + ... + 4650749.

It is an arithmetic number, because the mean of its divisors is an integer number (108514980).

Almost surely, 2^1004538564 is an apocalyptic number.

It is an amenable number.

1004538564 is an abundant number, since it is smaller than the sum of its proper divisors (1599820956).

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

1004538564 is a wasteful number, since it uses less digits than its factorization.

1004538564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9301296 (or 9301288 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 1004538564 is about 31694.4563606950. The cubic root of 1004538564 is about 1001.5105716909.

The spelling of 1004538564 in words is "one billion, four million, five hundred thirty-eight thousand, five hundred sixty-four".