18834369 has 16 divisors (see below), whose sum is σ = 26685120. Its totient is φ = 11793600.

The previous prime is 18834367. The next prime is 18834373. The reversal of 18834369 is 96343881.

It is a happy number.

It is not a de Polignac number, because 18834369 - 2¹ = 18834367 is a prime.

It is a super-2 number, since 2×18834369² = 709466911256322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18834369.

It is not an unprimeable number, because it can be changed into a prime (18834367) 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 15 ways as a sum of consecutive naturals, for example, 294 + ... + 6144.

It is an arithmetic number, because the mean of its divisors is an integer number (1667820).

Almost surely, 2^18834369 is an apocalyptic number.

It is an amenable number.

18834369 is a deficient number, since it is larger than the sum of its proper divisors (7850751).

18834369 is a wasteful number, since it uses less digits than its factorization.

18834369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920.

The product of its digits is 124416, while the sum is 42.

The square root of 18834369 is about 4339.8581774063. The cubic root of 18834369 is about 266.0625147507.

The spelling of 18834369 in words is "eighteen million, eight hundred thirty-four thousand, three hundred sixty-nine".