2930447904 has 48 divisors (see below), whose sum is σ = 7739659872. Its totient is φ = 970818048.

The previous prime is 2930447903. The next prime is 2930447921. The reversal of 2930447904 is 4097440392.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (2930447903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77989 + ... + 109284.

It is an arithmetic number, because the mean of its divisors is an integer number (161242914).

Almost surely, 2^2930447904 is an apocalyptic number.

2930447904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2930447904 is an abundant number, since it is smaller than the sum of its proper divisors (4809211968).

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

2930447904 is a wasteful number, since it uses less digits than its factorization.

2930447904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187449 (or 187441 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 2930447904 is about 54133.6115920599. The cubic root of 2930447904 is about 1431.0165891460.

The spelling of 2930447904 in words is "two billion, nine hundred thirty million, four hundred forty-seven thousand, nine hundred four".