1957938982 has 8 divisors (see below), whose sum is σ = 3031647552. Its totient is φ = 947389800.

The previous prime is 1957938959. The next prime is 1957938991. The reversal of 1957938982 is 2898397591.

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 1957938982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15789769 + ... + 15789892.

It is an arithmetic number, because the mean of its divisors is an integer number (378955944).

Almost surely, 2^1957938982 is an apocalyptic number.

1957938982 is a deficient number, since it is larger than the sum of its proper divisors (1073708570).

1957938982 is a wasteful number, since it uses less digits than its factorization.

1957938982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31579694.

The product of its digits is 9797760, while the sum is 61.

The square root of 1957938982 is about 44248.6042943729. The cubic root of 1957938982 is about 1251.0261402252.

The spelling of 1957938982 in words is "one billion, nine hundred fifty-seven million, nine hundred thirty-eight thousand, nine hundred eighty-two".