2113982 has 8 divisors (see below), whose sum is σ = 3414936. Its totient is φ = 975672.

The previous prime is 2113973. The next prime is 2113987. The reversal of 2113982 is 2893112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 81307 = 2113982 / (2 + 1 + 1 + 3 + 9 + 8 + 2).

It is a d-powerful number, because it can be written as 2¹¹ + 1 + 1 + 3³ + 9⁴ + 8⁷ + 2¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113987) 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, 40628 + ... + 40679.

It is an arithmetic number, because the mean of its divisors is an integer number (426867).

2^2113982 is an apocalyptic number.

2113982 is a deficient number, since it is larger than the sum of its proper divisors (1300954).

2113982 is a wasteful number, since it uses less digits than its factorization.

2113982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81322.

The product of its digits is 864, while the sum is 26.

The square root of 2113982 is about 1453.9539194899. The cubic root of 2113982 is about 128.3414953299.

The spelling of 2113982 in words is "two million, one hundred thirteen thousand, nine hundred eighty-two".