2978047404 has 48 divisors (see below), whose sum is σ = 7726118400. Its totient is φ = 992006928.

The previous prime is 2978047393. The next prime is 2978047421. The reversal of 2978047404 is 4047408792.

It is a super-2 number, since 2×2978047404² = 17737532680942278432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2978047404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164977 + ... + 182135.

It is an arithmetic number, because the mean of its divisors is an integer number (160960800).

Almost surely, 2^2978047404 is an apocalyptic number.

It is an amenable number.

2978047404 is an abundant number, since it is smaller than the sum of its proper divisors (4748070996).

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

2978047404 is a wasteful number, since it uses less digits than its factorization.

2978047404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18779 (or 18771 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 2978047404 is about 54571.4889296600. The cubic root of 2978047404 is about 1438.7230520040.

The spelling of 2978047404 in words is "two billion, nine hundred seventy-eight million, forty-seven thousand, four hundred four".