2478234684 has 24 divisors (see below), whose sum is σ = 5783352400. Its totient is φ = 825963264.

The previous prime is 2478234673. The next prime is 2478234763. The reversal of 2478234684 is 4864328742.

It is a super-2 number, since 2×2478234684² = 12283294297961159712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164292 + ... + 178740.

Almost surely, 2^2478234684 is an apocalyptic number.

It is an amenable number.

2478234684 is an abundant number, since it is smaller than the sum of its proper divisors (3305117716).

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

2478234684 is a wasteful number, since it uses less digits than its factorization.

2478234684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28749 (or 28747 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 48.

The square root of 2478234684 is about 49781.8710375574. The cubic root of 2478234684 is about 1353.2586453372.

The spelling of 2478234684 in words is "two billion, four hundred seventy-eight million, two hundred thirty-four thousand, six hundred eighty-four".