2439264 has 24 divisors (see below), whose sum is σ = 6403320. Its totient is φ = 813056.

The previous prime is 2439263. The next prime is 2439293. The reversal of 2439264 is 4629342.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2439263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12609 + ... + 12800.

It is an arithmetic number, because the mean of its divisors is an integer number (266805).

2^2439264 is an apocalyptic number.

2439264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2439264 is an abundant number, since it is smaller than the sum of its proper divisors (3964056).

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

2439264 is a wasteful number, since it uses less digits than its factorization.

2439264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25422 (or 25414 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 2439264 is about 1561.8143295539. The cubic root of 2439264 is about 134.6127723868.

The spelling of 2439264 in words is "two million, four hundred thirty-nine thousand, two hundred sixty-four".