1982958 has 16 divisors (see below), whose sum is σ = 3991680. Its totient is φ = 656696.

The previous prime is 1982957. The next prime is 1982969. The reversal of 1982958 is 8592891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13 + ... + 1991.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

2^1982958 is an apocalyptic number.

1982958 is an abundant number, since it is smaller than the sum of its proper divisors (2008722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1982958 is a wasteful number, since it uses less digits than its factorization.

1982958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151.

The product of its digits is 51840, while the sum is 42.

The square root of 1982958 is about 1408.1754152093. The cubic root of 1982958 is about 125.6332241342.

The spelling of 1982958 in words is "one million, nine hundred eighty-two thousand, nine hundred fifty-eight".