2478704 has 40 divisors (see below), whose sum is σ = 5088960. Its totient is φ = 1168128.

The previous prime is 2478703. The next prime is 2478709. The reversal of 2478704 is 4078742.

It is a super-2 number, since 2×2478704² = 12287947039232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31337 + ... + 31415.

It is an arithmetic number, because the mean of its divisors is an integer number (127224).

2^2478704 is an apocalyptic number.

It is an amenable number.

2478704 is an abundant number, since it is smaller than the sum of its proper divisors (2610256).

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

2478704 is a wasteful number, since it uses less digits than its factorization.

2478704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 2478704 is about 1574.3900406189. The cubic root of 2478704 is about 135.3344064453.

The spelling of 2478704 in words is "two million, four hundred seventy-eight thousand, seven hundred four".