18430104 has 64 divisors (see below), whose sum is σ = 57450240. Its totient is φ = 4786560.

The previous prime is 18430081. The next prime is 18430121. The reversal of 18430104 is 40103481.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3139 + ... + 6834.

It is an arithmetic number, because the mean of its divisors is an integer number (897660).

Almost surely, 2^18430104 is an apocalyptic number.

18430104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18430104 is an abundant number, since it is smaller than the sum of its proper divisors (39020136).

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

18430104 is a wasteful number, since it uses less digits than its factorization.

18430104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000 (or 9996 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 18430104 is about 4293.0296994081. The cubic root of 18430104 is about 264.1451222311.

Adding to 18430104 its reverse (40103481), we get a palindrome (58533585).

The spelling of 18430104 in words is "eighteen million, four hundred thirty thousand, one hundred four".