2106982 has 4 divisors (see below), whose sum is σ = 3160476. Its totient is φ = 1053490.

The previous prime is 2106959. The next prime is 2106983. The reversal of 2106982 is 2896012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2106982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526744 + ... + 526747.

It is an arithmetic number, because the mean of its divisors is an integer number (790119).

2^2106982 is an apocalyptic number.

2106982 is a deficient number, since it is larger than the sum of its proper divisors (1053494).

2106982 is a wasteful number, since it uses less digits than its factorization.

2106982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053493.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2106982 is about 1451.5446944548. The cubic root of 2106982 is about 128.1996801986.

The spelling of 2106982 in words is "two million, one hundred six thousand, nine hundred eighty-two".