18834969 has 8 divisors (see below), whose sum is σ = 25133440. Its totient is φ = 12546576.

The previous prime is 18834967. The next prime is 18834979. The reversal of 18834969 is 96943881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18834969 - 2¹ = 18834967 is a prime.

It is a super-2 number, since 2×18834969² = 709512114461922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18834967) 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 7 ways as a sum of consecutive naturals, for example, 5424 + ... + 8190.

It is an arithmetic number, because the mean of its divisors is an integer number (3141680).

Almost surely, 2^18834969 is an apocalyptic number.

It is an amenable number.

18834969 is a deficient number, since it is larger than the sum of its proper divisors (6298471).

18834969 is a wasteful number, since it uses less digits than its factorization.

18834969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5039.

The product of its digits is 373248, while the sum is 48.

The square root of 18834969 is about 4339.9273035386. The cubic root of 18834969 is about 266.0653400079.

The spelling of 18834969 in words is "eighteen million, eight hundred thirty-four thousand, nine hundred sixty-nine".