2478632 has 16 divisors (see below), whose sum is σ = 5005140. Its totient is φ = 1143936.

The previous prime is 2478631. The next prime is 2478643. The reversal of 2478632 is 2368742.

It can be written as a sum of positive squares in 2 ways, for example, as 2477476 + 1156 = 1574^2 + 34^2 .

It is a super-2 number, since 2×2478632² = 12287233182848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2478631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11813 + ... + 12020.

2^2478632 is an apocalyptic number.

It is an amenable number.

2478632 is an abundant number, since it is smaller than the sum of its proper divisors (2526508).

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

2478632 is a wasteful number, since it uses less digits than its factorization.

2478632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23852 (or 23848 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 2478632 is about 1574.3671744545. The cubic root of 2478632 is about 135.3330960600. Note that the first 3 decimals are identical.

The spelling of 2478632 in words is "two million, four hundred seventy-eight thousand, six hundred thirty-two".