2838871920 has 40 divisors (see below), whose sum is σ = 8800503696. Its totient is φ = 757032448.

The previous prime is 2838871901. The next prime is 2838871951. The reversal of 2838871920 is 291788382.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2838871920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5914077 + ... + 5914556.

Almost surely, 2^2838871920 is an apocalyptic number.

2838871920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2838871920 is an abundant number, since it is smaller than the sum of its proper divisors (5961631776).

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

2838871920 is a wasteful number, since it uses less digits than its factorization.

2838871920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11828649 (or 11828643 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 2838871920 is about 53281.0653046652. The cubic root of 2838871920 is about 1415.9522231638.

The spelling of 2838871920 in words is "two billion, eight hundred thirty-eight million, eight hundred seventy-one thousand, nine hundred twenty".