193979120 has 20 divisors (see below), whose sum is σ = 451001640. Its totient is φ = 77591616.

The previous prime is 193979117. The next prime is 193979141. The reversal of 193979120 is 21979391.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 1212290 + ... + 1212449.

It is an arithmetic number, because the mean of its divisors is an integer number (22550082).

Almost surely, 2^193979120 is an apocalyptic number.

193979120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193979120 is an abundant number, since it is smaller than the sum of its proper divisors (257022520).

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

193979120 is a wasteful number, since it uses less digits than its factorization.

193979120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424752 (or 2424746 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 193979120 is about 13927.6387086972. The cubic root of 193979120 is about 578.8752678198.

The spelling of 193979120 in words is "one hundred ninety-three million, nine hundred seventy-nine thousand, one hundred twenty".