18836034 has 128 divisors (see below), whose sum is σ = 50429952. Its totient is φ = 4561920.

The previous prime is 18836033. The next prime is 18836039. The reversal of 18836034 is 43063881.

It is a junction number, because it is equal to n+sod(n) for n = 18835986 and 18836004.

It is not an unprimeable number, because it can be changed into a prime (18836033) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 509064 + ... + 509100.

It is an arithmetic number, because the mean of its divisors is an integer number (393984).

Almost surely, 2^18836034 is an apocalyptic number.

18836034 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 18836034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25214976).

18836034 is an abundant number, since it is smaller than the sum of its proper divisors (31593918).

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

18836034 is a wasteful number, since it uses less digits than its factorization.

18836034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 18836034 is about 4340.0499997120. The cubic root of 18836034 is about 266.0703546918.

The spelling of 18836034 in words is "eighteen million, eight hundred thirty-six thousand, thirty-four".