18090083 has 8 divisors (see below), whose sum is σ = 19839216. Its totient is φ = 16358400.

The previous prime is 18090053. The next prime is 18090089. The reversal of 18090083 is 38009081.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18090083 - 2¹⁸ = 17827939 is a prime.

It is a super-2 number, since 2×18090083² = 654502205893778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18090089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2138 + ... + 6383.

It is an arithmetic number, because the mean of its divisors is an integer number (2479902).

Almost surely, 2^18090083 is an apocalyptic number.

18090083 is a deficient number, since it is larger than the sum of its proper divisors (1749133).

18090083 is a wasteful number, since it uses less digits than its factorization.

18090083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8725.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 18090083 is about 4253.2438208972. The cubic root of 18090083 is about 262.5106051649.

The spelling of 18090083 in words is "eighteen million, ninety thousand, eighty-three".