18795039 has 8 divisors (see below), whose sum is σ = 25116720. Its totient is φ = 12501696.

The previous prime is 18795031. The next prime is 18795043. The reversal of 18795039 is 93059781.

It is a happy number.

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

It is not a de Polignac number, because 18795039 - 2³ = 18795031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18795031) 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, 5484 + ... + 8225.

It is an arithmetic number, because the mean of its divisors is an integer number (3139590).

Almost surely, 2^18795039 is an apocalyptic number.

18795039 is a deficient number, since it is larger than the sum of its proper divisors (6321681).

18795039 is a wasteful number, since it uses less digits than its factorization.

18795039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14169.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 18795039 is about 4335.3245553245. The cubic root of 18795039 is about 265.8771881104.

The spelling of 18795039 in words is "eighteen million, seven hundred ninety-five thousand, thirty-nine".