1973940992 has 36 divisors (see below), whose sum is σ = 4171955256. Its totient is φ = 928911360.

The previous prime is 1973940971. The next prime is 1973941003. The reversal of 1973940992 is 2990493791.

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, 222434 + ... + 231137.

It is an arithmetic number, because the mean of its divisors is an integer number (115887646).

Almost surely, 2^1973940992 is an apocalyptic number.

It is an amenable number.

1973940992 is an abundant number, since it is smaller than the sum of its proper divisors (2198014264).

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

1973940992 is an equidigital number, since it uses as much as digits as its factorization.

1973940992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453604 (or 453590 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 53.

The square root of 1973940992 is about 44429.0557180771. The cubic root of 1973940992 is about 1254.4250615394.

The spelling of 1973940992 in words is "one billion, nine hundred seventy-three million, nine hundred forty thousand, nine hundred ninety-two".