1982742 has 32 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 631488.

The previous prime is 1982741. The next prime is 1982779. The reversal of 1982742 is 2472891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22234 + ... + 22322.

It is an arithmetic number, because the mean of its divisors is an integer number (129600).

2^1982742 is an apocalyptic number.

1982742 is an abundant number, since it is smaller than the sum of its proper divisors (2164458).

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

1982742 is a wasteful number, since it uses less digits than its factorization.

1982742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220.

The product of its digits is 8064, while the sum is 33.

The square root of 1982742 is about 1408.0987181302. The cubic root of 1982742 is about 125.6286623026.

The spelling of 1982742 in words is "one million, nine hundred eighty-two thousand, seven hundred forty-two".