18429080 has 32 divisors (see below), whose sum is σ = 41793840. Its totient is φ = 7313280.

The previous prime is 18429079. The next prime is 18429083. The reversal of 18429080 is 8092481.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18429083) 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, 3482 + ... + 6998.

Almost surely, 2^18429080 is an apocalyptic number.

18429080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18429080 is an abundant number, since it is smaller than the sum of its proper divisors (23364760).

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

18429080 is a wasteful number, since it uses less digits than its factorization.

18429080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659 (or 3655 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 18429080 is about 4292.9104346585. The cubic root of 18429080 is about 264.1402300609.

The spelling of 18429080 in words is "eighteen million, four hundred twenty-nine thousand, eighty".