18083401 has 12 divisors (see below), whose sum is σ = 21245952. Its totient is φ = 15345288.

The previous prime is 18083399. The next prime is 18083411. The reversal of 18083401 is 10438081.

It is not a de Polignac number, because 18083401 - 2¹ = 18083399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18083411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3256 + ... + 6838.

It is an arithmetic number, because the mean of its divisors is an integer number (1770496).

Almost surely, 2^18083401 is an apocalyptic number.

It is an amenable number.

18083401 is a deficient number, since it is larger than the sum of its proper divisors (3162551).

18083401 is a wasteful number, since it uses less digits than its factorization.

18083401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700 (or 3693 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 18083401 is about 4252.4582302475. The cubic root of 18083401 is about 262.4782796843.

The spelling of 18083401 in words is "eighteen million, eighty-three thousand, four hundred one".