2478824 has 8 divisors (see below), whose sum is σ = 4647810. Its totient is φ = 1239408.

The previous prime is 2478809. The next prime is 2478877. The reversal of 2478824 is 4288742.

2478824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2464900 + 13924 = 1570^2 + 118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2478824² = 12289136845952, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154919 + ... + 154934.

2^2478824 is an apocalyptic number.

It is an amenable number.

2478824 is a deficient number, since it is larger than the sum of its proper divisors (2168986).

2478824 is a wasteful number, since it uses less digits than its factorization.

2478824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309859 (or 309855 counting only the distinct ones).

The product of its digits is 28672, while the sum is 35.

The square root of 2478824 is about 1574.4281501548. The cubic root of 2478824 is about 135.3365903644.

The spelling of 2478824 in words is "two million, four hundred seventy-eight thousand, eight hundred twenty-four".