18679039 has 8 divisors (see below), whose sum is σ = 19818000. Its totient is φ = 17544576.

The previous prime is 18679027. The next prime is 18679051. The reversal of 18679039 is 93097681.

It is an interprime number because it is at equal distance from previous prime (18679027) and next prime (18679051).

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

It is a cyclic number.

It is not a de Polignac number, because 18679039 - 2¹¹ = 18676991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18678986 and 18679004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18679009) 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, 11712 + ... + 13210.

It is an arithmetic number, because the mean of its divisors is an integer number (2477250).

Almost surely, 2^18679039 is an apocalyptic number.

18679039 is a deficient number, since it is larger than the sum of its proper divisors (1138961).

18679039 is a wasteful number, since it uses less digits than its factorization.

18679039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 18679039 is about 4321.9253811236. The cubic root of 18679039 is about 265.3290749901.

The spelling of 18679039 in words is "eighteen million, six hundred seventy-nine thousand, thirty-nine".