2137982 has 16 divisors (see below), whose sum is σ = 3998592. Its totient is φ = 832920.

The previous prime is 2137981. The next prime is 2137987. The reversal of 2137982 is 2897312.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁰ + 1 + 3¹¹ + 7⁶ + 9⁶ + 8⁶ + 2²⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6788 + ... + 7095.

It is an arithmetic number, because the mean of its divisors is an integer number (249912).

2^2137982 is an apocalyptic number.

2137982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2137982 is a deficient number, since it is larger than the sum of its proper divisors (1860610).

2137982 is a wasteful number, since it uses less digits than its factorization.

2137982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13903.

The product of its digits is 6048, while the sum is 32.

The square root of 2137982 is about 1462.1839829515. The cubic root of 2137982 is about 128.8253550768.

The spelling of 2137982 in words is "two million, one hundred thirty-seven thousand, nine hundred eighty-two".