2159937 has 12 divisors (see below), whose sum is σ = 3360084. Its totient is φ = 1329120.

The previous prime is 2159923. The next prime is 2159947. The reversal of 2159937 is 7399512.

It can be written as a sum of positive squares in 2 ways, for example, as 197136 + 1962801 = 444^2 + 1401^2 .

It is not a de Polignac number, because 2159937 - 2⁷ = 2159809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2159947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9114 + ... + 9347.

It is an arithmetic number, because the mean of its divisors is an integer number (280007).

2^2159937 is an apocalyptic number.

It is an amenable number.

2159937 is a deficient number, since it is larger than the sum of its proper divisors (1200147).

2159937 is a wasteful number, since it uses less digits than its factorization.

2159937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18480 (or 18477 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 2159937 is about 1469.6724124784. The cubic root of 2159937 is about 129.2648246361.

It can be divided in two parts, 215993 and 7, that added together give a cube (216000 = 60³).

The spelling of 2159937 in words is "two million, one hundred fifty-nine thousand, nine hundred thirty-seven".