18413802 has 48 divisors (see below), whose sum is σ = 43962048. Its totient is φ = 5523840.

The previous prime is 18413789. The next prime is 18413803. The reversal of 18413802 is 20831481.

It is not an unprimeable number, because it can be changed into a prime (18413803) 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 23 ways as a sum of consecutive naturals, for example, 21963 + ... + 22785.

It is an arithmetic number, because the mean of its divisors is an integer number (915876).

Almost surely, 2^18413802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18413802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21981024).

18413802 is an abundant number, since it is smaller than the sum of its proper divisors (25548246).

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

18413802 is a wasteful number, since it uses less digits than its factorization.

18413802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 18413802 is about 4291.1306202445. The cubic root of 18413802 is about 264.0672177325.

The spelling of 18413802 in words is "eighteen million, four hundred thirteen thousand, eight hundred two".