2137988 has 24 divisors (see below), whose sum is σ = 4136832. Its totient is φ = 961664.

The previous prime is 2137987. The next prime is 2137999. The reversal of 2137988 is 8897312.

2137988 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2137981) 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, 881 + ... + 2247.

It is an arithmetic number, because the mean of its divisors is an integer number (172368).

2^2137988 is an apocalyptic number.

It is an amenable number.

2137988 is a deficient number, since it is larger than the sum of its proper divisors (1998844).

2137988 is a wasteful number, since it uses less digits than its factorization.

2137988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411 (or 1409 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 2137988 is about 1462.1860346755. The cubic root of 2137988 is about 128.8254755878.

It can be divided in two parts, 2137 and 988, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2137988 in words is "two million, one hundred thirty-seven thousand, nine hundred eighty-eight".