2904239980 has 48 divisors (see below), whose sum is σ = 6237504000. Its totient is φ = 1135366848.

The previous prime is 2904239893. The next prime is 2904239981. The reversal of 2904239980 is 899324092.

It is a super-2 number, since 2×2904239980² = 16869219722860800800, 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 2904239980.

It is not an unprimeable number, because it can be changed into a prime (2904239981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828271 + ... + 831769.

It is an arithmetic number, because the mean of its divisors is an integer number (129948000).

Almost surely, 2^2904239980 is an apocalyptic number.

2904239980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2904239980 is an abundant number, since it is smaller than the sum of its proper divisors (3333264020).

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

2904239980 is a wasteful number, since it uses less digits than its factorization.

2904239980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438 (or 4436 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 2904239980 is about 53891.0009185207. Note that the first 3 decimals coincide. The cubic root of 2904239980 is about 1426.7377965768.

The spelling of 2904239980 in words is "two billion, nine hundred four million, two hundred thirty-nine thousand, nine hundred eighty".