18848039 has 4 divisors (see below), whose sum is σ = 21540624. Its totient is φ = 16155456.

The previous prime is 18848033. The next prime is 18848041. The reversal of 18848039 is 93084881.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18848039 - 2¹² = 18843943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18847987 and 18848005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18848033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346282 + ... + 1346295.

It is an arithmetic number, because the mean of its divisors is an integer number (5385156).

Almost surely, 2^18848039 is an apocalyptic number.

18848039 is a deficient number, since it is larger than the sum of its proper divisors (2692585).

18848039 is an equidigital number, since it uses as much as digits as its factorization.

18848039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692584.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 18848039 is about 4341.4328279958. The cubic root of 18848039 is about 266.1268686454.

The spelling of 18848039 in words is "eighteen million, eight hundred forty-eight thousand, thirty-nine".