1982695124 has 6 divisors (see below), whose sum is σ = 3469716474. Its totient is φ = 991347560.

The previous prime is 1982695123. The next prime is 1982695133. The reversal of 1982695124 is 4215962891.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1374184900 + 608510224 = 37070^2 + 24668^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982695123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247836887 + ... + 247836894.

It is an arithmetic number, because the mean of its divisors is an integer number (578286079).

Almost surely, 2^1982695124 is an apocalyptic number.

It is an amenable number.

1982695124 is a deficient number, since it is larger than the sum of its proper divisors (1487021350).

1982695124 is a wasteful number, since it uses less digits than its factorization.

1982695124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495673785 (or 495673783 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The square root of 1982695124 is about 44527.4648279014. The cubic root of 1982695124 is about 1256.2767225688.

The spelling of 1982695124 in words is "one billion, nine hundred eighty-two million, six hundred ninety-five thousand, one hundred twenty-four".