18026350 has 24 divisors (see below), whose sum is σ = 34035768. Its totient is φ = 7101600.

The previous prime is 18026321. The next prime is 18026357. The reversal of 18026350 is 5362081.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18026357) 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, 660 + ... + 6040.

It is an arithmetic number, because the mean of its divisors is an integer number (1418157).

Almost surely, 2^18026350 is an apocalyptic number.

18026350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18026350 is a deficient number, since it is larger than the sum of its proper divisors (16009418).

18026350 is a wasteful number, since it uses less digits than its factorization.

18026350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460 (or 5455 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 18026350 is about 4245.7449287493. The cubic root of 18026350 is about 262.2019595433.

The spelling of 18026350 in words is "eighteen million, twenty-six thousand, three hundred fifty".