18080600 has 24 divisors (see below), whose sum is σ = 42037860. Its totient is φ = 7232160.

The previous prime is 18080581. The next prime is 18080603. The reversal of 18080600 is 608081.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18080603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45002 + ... + 45401.

Almost surely, 2^18080600 is an apocalyptic number.

18080600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18080600 is an abundant number, since it is smaller than the sum of its proper divisors (23957260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18080600 is a wasteful number, since it uses less digits than its factorization.

18080600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90419 (or 90410 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 18080600 is about 4252.1288785736. The cubic root of 18080600 is about 262.4647269309.

Adding to 18080600 its reverse (608081), we get a palindrome (18688681).

The spelling of 18080600 in words is "eighteen million, eighty thousand, six hundred".