18979041 has 8 divisors (see below), whose sum is σ = 25437280. Its totient is φ = 12586752.

The previous prime is 18979033. The next prime is 18979063. The reversal of 18979041 is 14097981.

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 18979041 - 2³ = 18979033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18979031) 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, 15811 + ... + 16968.

It is an arithmetic number, because the mean of its divisors is an integer number (3179660).

Almost surely, 2^18979041 is an apocalyptic number.

It is an amenable number.

18979041 is a deficient number, since it is larger than the sum of its proper divisors (6458239).

18979041 is a wasteful number, since it uses less digits than its factorization.

18979041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32975.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 18979041 is about 4356.4941179806. The cubic root of 18979041 is about 266.7420111753.

The spelling of 18979041 in words is "eighteen million, nine hundred seventy-nine thousand, forty-one".