1973947316 has 48 divisors (see below), whose sum is σ = 4200154560. Its totient is φ = 800017920.

The previous prime is 1973947307. The next prime is 1973947319. The reversal of 1973947316 is 6137493791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973947319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55235 + ... + 83658.

It is an arithmetic number, because the mean of its divisors is an integer number (87503220).

Almost surely, 2^1973947316 is an apocalyptic number.

It is an amenable number.

1973947316 is an abundant number, since it is smaller than the sum of its proper divisors (2226207244).

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

1973947316 is a wasteful number, since it uses less digits than its factorization.

1973947316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138944 (or 138942 counting only the distinct ones).

The product of its digits is 857304, while the sum is 50.

The square root of 1973947316 is about 44429.1268876623. The cubic root of 1973947316 is about 1254.4264011566.

The spelling of 1973947316 in words is "one billion, nine hundred seventy-three million, nine hundred forty-seven thousand, three hundred sixteen".