1973832636 has 24 divisors (see below), whose sum is σ = 4730086480. Its totient is φ = 640161792.

The previous prime is 1973832631. The next prime is 1973832647. The reversal of 1973832636 is 6362383791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973832631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2222341 + ... + 2223228.

Almost surely, 2^1973832636 is an apocalyptic number.

It is an amenable number.

1973832636 is an abundant number, since it is smaller than the sum of its proper divisors (2756253844).

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

1973832636 is a wasteful number, since it uses less digits than its factorization.

1973832636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445613 (or 4445611 counting only the distinct ones).

The product of its digits is 979776, while the sum is 48.

The square root of 1973832636 is about 44427.8362741199. The cubic root of 1973832636 is about 1254.4021079709.

The spelling of 1973832636 in words is "one billion, nine hundred seventy-three million, eight hundred thirty-two thousand, six hundred thirty-six".