18413460 has 192 divisors, whose sum is σ = 64162560. Its totient is φ = 4354560.

The previous prime is 18413459. The next prime is 18413471. The reversal of 18413460 is 6431481.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 301830 + ... + 301890.

It is an arithmetic number, because the mean of its divisors is an integer number (334180).

Almost surely, 2^18413460 is an apocalyptic number.

18413460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18413460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32081280).

18413460 is an abundant number, since it is smaller than the sum of its proper divisors (45749100).

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

18413460 is a wasteful number, since it uses less digits than its factorization.

18413460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 18413460 is about 4291.0907704219. The cubic root of 18413460 is about 264.0655828801.

The spelling of 18413460 in words is "eighteen million, four hundred thirteen thousand, four hundred sixty".