2312664 has 32 divisors (see below), whose sum is σ = 5825520. Its totient is φ = 765056.

The previous prime is 2312641. The next prime is 2312677. The reversal of 2312664 is 4662132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3874 + ... + 4430.

2^2312664 is an apocalyptic number.

2312664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2312664 is an abundant number, since it is smaller than the sum of its proper divisors (3512856).

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

2312664 is a wasteful number, since it uses less digits than its factorization.

2312664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 735 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 2312664 is about 1520.7445544864. The cubic root of 2312664 is about 132.2424378331.

Adding to 2312664 its reverse (4662132), we get a palindrome (6974796).

The spelling of 2312664 in words is "two million, three hundred twelve thousand, six hundred sixty-four".