2478618 has 24 divisors (see below), whose sum is σ = 5604768. Its totient is φ = 790152.

The previous prime is 2478611. The next prime is 2478631. The reversal of 2478618 is 8168742.

It is a super-2 number, since 2×2478618² = 12287094379848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2478611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2580 + ... + 3407.

It is an arithmetic number, because the mean of its divisors is an integer number (233532).

2^2478618 is an apocalyptic number.

2478618 is an abundant number, since it is smaller than the sum of its proper divisors (3126150).

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

2478618 is a wasteful number, since it uses less digits than its factorization.

2478618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018 (or 6015 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 2478618 is about 1574.3627282174. The cubic root of 2478618 is about 135.3328412600.

The spelling of 2478618 in words is "two million, four hundred seventy-eight thousand, six hundred eighteen".