1974825938 has 16 divisors (see below), whose sum is σ = 3087714624. Its totient is φ = 946384560.

The previous prime is 1974825929. The next prime is 1974825943. The reversal of 1974825938 is 8395284791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194198 + ... + 204113.

It is an arithmetic number, because the mean of its divisors is an integer number (192982164).

Almost surely, 2^1974825938 is an apocalyptic number.

1974825938 is a deficient number, since it is larger than the sum of its proper divisors (1112888686).

1974825938 is a wasteful number, since it uses less digits than its factorization.

1974825938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398417.

The product of its digits is 4354560, while the sum is 56.

The square root of 1974825938 is about 44439.0136929253. The cubic root of 1974825938 is about 1254.6124924362.

The spelling of 1974825938 in words is "one billion, nine hundred seventy-four million, eight hundred twenty-five thousand, nine hundred thirty-eight".