18353034 has 64 divisors (see below), whose sum is σ = 48660480. Its totient is φ = 5013360.

The previous prime is 18353033. The next prime is 18353053. The reversal of 18353034 is 43035381.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 18352989 and 18353007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18353033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7639 + ... + 9749.

It is an arithmetic number, because the mean of its divisors is an integer number (760320).

Almost surely, 2^18353034 is an apocalyptic number.

18353034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18353034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24330240).

18353034 is an abundant number, since it is smaller than the sum of its proper divisors (30307446).

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

18353034 is a wasteful number, since it uses less digits than its factorization.

18353034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 18353034 is about 4284.0441174199. The cubic root of 18353034 is about 263.7764119309.

The spelling of 18353034 in words is "eighteen million, three hundred fifty-three thousand, thirty-four".