1972934920 has 64 divisors (see below), whose sum is σ = 5097556800. Its totient is φ = 679668480.

The previous prime is 1972934897. The next prime is 1972934921. The reversal of 1972934920 is 294392791.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1972934921) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 109639 + ... + 126358.

It is an arithmetic number, because the mean of its divisors is an integer number (79649325).

Almost surely, 2^1972934920 is an apocalyptic number.

1972934920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1972934920 is an abundant number, since it is smaller than the sum of its proper divisors (3124621880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1972934920 is a wasteful number, since it uses less digits than its factorization.

1972934920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236038 (or 236034 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 1972934920 is about 44417.7320447589. The cubic root of 1972934920 is about 1254.2119081899.

The spelling of 1972934920 in words is "one billion, nine hundred seventy-two million, nine hundred thirty-four thousand, nine hundred twenty".