1982242 has 8 divisors (see below), whose sum is σ = 3014316. Its totient is φ = 977472.

The previous prime is 1982219. The next prime is 1982263. The reversal of 1982242 is 2422891.

It can be written as a sum of positive squares in 2 ways, for example, as 1771561 + 210681 = 1331^2 + 459^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1982242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6643 + ... + 6934.

2^1982242 is an apocalyptic number.

1982242 is a deficient number, since it is larger than the sum of its proper divisors (1032074).

1982242 is a wasteful number, since it uses less digits than its factorization.

1982242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13652.

The product of its digits is 2304, while the sum is 28.

The square root of 1982242 is about 1407.9211625656. The cubic root of 1982242 is about 125.6181012358.

The spelling of 1982242 in words is "one million, nine hundred eighty-two thousand, two hundred forty-two".