1532664 has 48 divisors (see below), whose sum is σ = 4745520. Its totient is φ = 437760.

The previous prime is 1532659. The next prime is 1532681. The reversal of 1532664 is 4662351.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1017 + ... + 2024.

It is an arithmetic number, because the mean of its divisors is an integer number (98865).

2^1532664 is an apocalyptic number.

1532664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1532664 is an abundant number, since it is smaller than the sum of its proper divisors (3212856).

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

1532664 is a wasteful number, since it uses less digits than its factorization.

1532664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060 (or 3053 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1532664 is about 1238.0080775181. The cubic root of 1532664 is about 115.2963747915.

The spelling of 1532664 in words is "one million, five hundred thirty-two thousand, six hundred sixty-four".