793981900 has 54 divisors (see below), whose sum is σ = 1742627180. Its totient is φ = 313988640.

The previous prime is 793981897. The next prime is 793981913. The reversal of 793981900 is 9189397.

It is a super-2 number, since 2×793981900² = 1260814515055220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3321981 + ... + 3322219.

Almost surely, 2^793981900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 793981900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871313590).

793981900 is an abundant number, since it is smaller than the sum of its proper divisors (948645280).

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

793981900 is a wasteful number, since it uses less digits than its factorization.

793981900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 793981900 is about 28177.6844328983. The cubic root of 793981900 is about 925.9841096810.

The spelling of 793981900 in words is "seven hundred ninety-three million, nine hundred eighty-one thousand, nine hundred".