1972303988 has 12 divisors (see below), whose sum is σ = 3483198180. Its totient is φ = 977104512.

The previous prime is 1972303969. The next prime is 1972304003. The reversal of 1972303988 is 8893032791.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1472870884 + 499433104 = 38378^2 + 22348^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261381 + ... + 2262252.

It is an arithmetic number, because the mean of its divisors is an integer number (290266515).

Almost surely, 2^1972303988 is an apocalyptic number.

It is an amenable number.

1972303988 is a deficient number, since it is larger than the sum of its proper divisors (1510894192).

1972303988 is a wasteful number, since it uses less digits than its factorization.

1972303988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523746 (or 4523744 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 1972303988 is about 44410.6292231939. The cubic root of 1972303988 is about 1254.0781976135.

The spelling of 1972303988 in words is "one billion, nine hundred seventy-two million, three hundred three thousand, nine hundred eighty-eight".