2478626 has 12 divisors (see below), whose sum is σ = 3925062. Its totient is φ = 1173744.

The previous prime is 2478611. The next prime is 2478631. The reversal of 2478626 is 6268742.

It can be written as a sum of positive squares in only one way, i.e., 2253001 + 225625 = 1501^2 + 475^2 .

It is a super-2 number, since 2×2478626² = 12287173695752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 995 + ... + 2438.

2^2478626 is an apocalyptic number.

2478626 is a deficient number, since it is larger than the sum of its proper divisors (1446436).

2478626 is a wasteful number, since it uses less digits than its factorization.

2478626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473 (or 3454 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 2478626 is about 1574.3652689259. The cubic root of 2478626 is about 135.3329868601.

The spelling of 2478626 in words is "two million, four hundred seventy-eight thousand, six hundred twenty-six".