1972904338 has 8 divisors (see below), whose sum is σ = 3031536060. Its totient is φ = 962392320.

The previous prime is 1972904321. The next prime is 1972904347. The reversal of 1972904338 is 8334092791.

It can be written as a sum of positive squares in 2 ways, for example, as 1951253929 + 21650409 = 44173^2 + 4653^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12029823 + ... + 12029986.

Almost surely, 2^1972904338 is an apocalyptic number.

1972904338 is a deficient number, since it is larger than the sum of its proper divisors (1058631722).

1972904338 is a wasteful number, since it uses less digits than its factorization.

1972904338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24059852.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 1972904338 is about 44417.3877890179. The cubic root of 1972904338 is about 1254.2054277419.

The spelling of 1972904338 in words is "one billion, nine hundred seventy-two million, nine hundred four thousand, three hundred thirty-eight".