2438464 has 28 divisors (see below), whose sum is σ = 5531104. Its totient is φ = 1044864.

The previous prime is 2438461. The next prime is 2438473. The reversal of 2438464 is 4648342.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×2438464² = 11892213358592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2438461) 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, 2274 + ... + 3169.

2^2438464 is an apocalyptic number.

It is an amenable number.

2438464 is an abundant number, since it is smaller than the sum of its proper divisors (3092640).

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

2438464 is an equidigital number, since it uses as much as digits as its factorization.

2438464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462 (or 5452 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 2438464 is about 1561.5581961618. The cubic root of 2438464 is about 134.5980545603.

The spelling of 2438464 in words is "two million, four hundred thirty-eight thousand, four hundred sixty-four".