2464640 has 32 divisors (see below), whose sum is σ = 5893560. Its totient is φ = 985600.

The previous prime is 2464639. The next prime is 2464663. The reversal of 2464640 is 464642.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286 + ... + 2565.

2^2464640 is an apocalyptic number.

2464640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2464640 is an abundant number, since it is smaller than the sum of its proper divisors (3428920).

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

2464640 is an equidigital number, since it uses as much as digits as its factorization.

2464640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870 (or 3858 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 2464640 is about 1569.9171952686. The cubic root of 2464640 is about 135.0779613708.

The spelling of 2464640 in words is "two million, four hundred sixty-four thousand, six hundred forty".