18413450 has 24 divisors (see below), whose sum is σ = 37363680. Its totient is φ = 6695600.

The previous prime is 18413449. The next prime is 18413453. The reversal of 18413450 is 5431481.

It is not an unprimeable number, because it can be changed into a prime (18413453) 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, 16190 + ... + 17289.

It is an arithmetic number, because the mean of its divisors is an integer number (1556820).

Almost surely, 2^18413450 is an apocalyptic number.

18413450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18413450 is an abundant number, since it is smaller than the sum of its proper divisors (18950230).

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

18413450 is a wasteful number, since it uses less digits than its factorization.

18413450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33502 (or 33497 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 18413450 is about 4291.0896052168. The cubic root of 18413450 is about 264.0655350771.

The spelling of 18413450 in words is "eighteen million, four hundred thirteen thousand, four hundred fifty".