2478964 has 6 divisors (see below), whose sum is σ = 4338194. Its totient is φ = 1239480.

The previous prime is 2478953. The next prime is 2478997. The reversal of 2478964 is 4698742.

It can be written as a sum of positive squares in only one way, i.e., 1904400 + 574564 = 1380^2 + 758^2 .

It is a super-2 number, since 2×2478964² = 12290525026592, which contains 22 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309867 + ... + 309874.

2^2478964 is an apocalyptic number.

It is an amenable number.

2478964 is a deficient number, since it is larger than the sum of its proper divisors (1859230).

2478964 is a wasteful number, since it uses less digits than its factorization.

2478964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619745 (or 619743 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 2478964 is about 1574.4726101143. The cubic root of 2478964 is about 135.3391381809.

The spelling of 2478964 in words is "two million, four hundred seventy-eight thousand, nine hundred sixty-four".