18414039 has 16 divisors (see below), whose sum is σ = 28125440. Its totient is φ = 10497600.

The previous prime is 18414037. The next prime is 18414061. The reversal of 18414039 is 93041481.

It is a happy number.

It is not a de Polignac number, because 18414039 - 2¹ = 18414037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18413997 and 18414015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18414037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11892 + ... + 13350.

It is an arithmetic number, because the mean of its divisors is an integer number (1757840).

Almost surely, 2^18414039 is an apocalyptic number.

18414039 is a deficient number, since it is larger than the sum of its proper divisors (9711401).

18414039 is a wasteful number, since it uses less digits than its factorization.

18414039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 18414039 is about 4291.1582352554. The cubic root of 18414039 is about 264.0683506447.

The spelling of 18414039 in words is "eighteen million, four hundred fourteen thousand, thirty-nine".