18853039 has 2 divisors, whose sum is σ = 18853040. Its totient is φ = 18853038.

The previous prime is 18853027. The next prime is 18853057. The reversal of 18853039 is 93035881.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18853039 - 2²¹ = 16755887 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18852989 and 18853007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18853099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9426519 + 9426520.

It is an arithmetic number, because the mean of its divisors is an integer number (9426520).

Almost surely, 2^18853039 is an apocalyptic number.

18853039 is a deficient number, since it is larger than the sum of its proper divisors (1).

18853039 is an equidigital number, since it uses as much as digits as its factorization.

18853039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 18853039 is about 4342.0086365644. The cubic root of 18853039 is about 266.1503992401.

The spelling of 18853039 in words is "eighteen million, eight hundred fifty-three thousand, thirty-nine".