2947839960 has 192 divisors, whose sum is σ = 9655109280. Its totient is φ = 719646720.

The previous prime is 2947839907. The next prime is 2947839977. The reversal of 2947839960 is 699387492.

It is a self number, because there is not a number n which added to its sum of digits gives 2947839960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2777830 + ... + 2778890.

Almost surely, 2^2947839960 is an apocalyptic number.

2947839960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2947839960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4827554640).

2947839960 is an abundant number, since it is smaller than the sum of its proper divisors (6707269320).

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

2947839960 is a wasteful number, since it uses less digits than its factorization.

2947839960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 57.

The square root of 2947839960 is about 54294.0140346982. The cubic root of 2947839960 is about 1433.8420099474.

The spelling of 2947839960 in words is "two billion, nine hundred forty-seven million, eight hundred thirty-nine thousand, nine hundred sixty".