207982 has 4 divisors (see below), whose sum is σ = 311976. Its totient is φ = 103990.

The previous prime is 207973. The next prime is 207997. The reversal of 207982 is 289702.

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 207982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51994 + ... + 51997.

It is an arithmetic number, because the mean of its divisors is an integer number (77994).

2²⁰⁷⁹⁸² is an apocalyptic number.

207982 is a deficient number, since it is larger than the sum of its proper divisors (103994).

207982 is a wasteful number, since it uses less digits than its factorization.

207982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103993.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 207982 is about 456.0504358073. The cubic root of 207982 is about 59.2482121865.

The spelling of 207982 in words is "two hundred seven thousand, nine hundred eighty-two".