1939982 has 16 divisors (see below), whose sum is σ = 3207600. Its totient is φ = 872640.

The previous prime is 1939969. The next prime is 1939999. The reversal of 1939982 is 2899391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994 + ... + 2802.

It is an arithmetic number, because the mean of its divisors is an integer number (200475).

2^1939982 is an apocalyptic number.

1939982 is a deficient number, since it is larger than the sum of its proper divisors (1267618).

1939982 is a wasteful number, since it uses less digits than its factorization.

1939982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931.

The product of its digits is 34992, while the sum is 41.

The square root of 1939982 is about 1392.8323660800. The cubic root of 1939982 is about 124.7189847167.

The spelling of 1939982 in words is "one million, nine hundred thirty-nine thousand, nine hundred eighty-two".