18913795 has 8 divisors (see below), whose sum is σ = 22720320. Its totient is φ = 15115200.

The previous prime is 18913781. The next prime is 18913799. The reversal of 18913795 is 59731981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18913795 - 2⁷ = 18913667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18913799) 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, 6870 + ... + 9220.

It is an arithmetic number, because the mean of its divisors is an integer number (2840040).

Almost surely, 2^18913795 is an apocalyptic number.

18913795 is a deficient number, since it is larger than the sum of its proper divisors (3806525).

18913795 is a wasteful number, since it uses less digits than its factorization.

18913795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965.

The product of its digits is 68040, while the sum is 43.

The square root of 18913795 is about 4348.9993101862. Note that the first 3 decimals coincide. The cubic root of 18913795 is about 266.4359923579.

The spelling of 18913795 in words is "eighteen million, nine hundred thirteen thousand, seven hundred ninety-five".