2893938920 has 16 divisors (see below), whose sum is σ = 6511362660. Its totient is φ = 1157575552.

The previous prime is 2893938919. The next prime is 2893938923. The reversal of 2893938920 is 298393982.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2838971524 + 54967396 = 53282^2 + 7414^2 .

It is not an unprimeable number, because it can be changed into a prime (2893938923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36174197 + ... + 36174276.

Almost surely, 2^2893938920 is an apocalyptic number.

2893938920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2893938920 is an abundant number, since it is smaller than the sum of its proper divisors (3617423740).

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

2893938920 is a wasteful number, since it uses less digits than its factorization.

2893938920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72348484 (or 72348480 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 2893938920 is about 53795.3429211117. The cubic root of 2893938920 is about 1425.0489643584.

The spelling of 2893938920 in words is "two billion, eight hundred ninety-three million, nine hundred thirty-eight thousand, nine hundred twenty".