1957982 has 8 divisors (see below), whose sum is σ = 3162936. Its totient is φ = 903672.

The previous prime is 1957981. The next prime is 1957997. The reversal of 1957982 is 2897591.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37628 + ... + 37679.

It is an arithmetic number, because the mean of its divisors is an integer number (395367).

2^1957982 is an apocalyptic number.

1957982 is a deficient number, since it is larger than the sum of its proper divisors (1204954).

1957982 is a wasteful number, since it uses less digits than its factorization.

1957982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75322.

The product of its digits is 45360, while the sum is 41.

The square root of 1957982 is about 1399.2791001083. The cubic root of 1957982 is about 125.1035302283.

The spelling of 1957982 in words is "one million, nine hundred fifty-seven thousand, nine hundred eighty-two".