18079862 has 4 divisors (see below), whose sum is σ = 27119796. Its totient is φ = 9039930.

The previous prime is 18079843. The next prime is 18079871. The reversal of 18079862 is 26897081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26897081 = 349 ⋅77069.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4519964 + ... + 4519967.

It is an arithmetic number, because the mean of its divisors is an integer number (6779949).

Almost surely, 2^18079862 is an apocalyptic number.

18079862 is a deficient number, since it is larger than the sum of its proper divisors (9039934).

18079862 is an equidigital number, since it uses as much as digits as its factorization.

18079862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9039933.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 18079862 is about 4252.0420976279. The cubic root of 18079862 is about 262.4611558546.

The spelling of 18079862 in words is "eighteen million, seventy-nine thousand, eight hundred sixty-two".