18343004 has 6 divisors (see below), whose sum is σ = 32100264. Its totient is φ = 9171500.

The previous prime is 18343001. The next prime is 18343007. The reversal of 18343004 is 40034381.

It is an interprime number because it is at equal distance from previous prime (18343001) and next prime (18343007).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18343001) 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 as a sum of consecutive naturals, namely, 2292872 + ... + 2292879.

It is an arithmetic number, because the mean of its divisors is an integer number (5350044).

Almost surely, 2^18343004 is an apocalyptic number.

It is an amenable number.

18343004 is a deficient number, since it is larger than the sum of its proper divisors (13757260).

18343004 is a wasteful number, since it uses less digits than its factorization.

18343004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585755 (or 4585753 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 18343004 is about 4282.8733345734. The cubic root of 18343004 is about 263.7283515845.

Adding to 18343004 its reverse (40034381), we get a palindrome (58377385).

The spelling of 18343004 in words is "eighteen million, three hundred forty-three thousand, four".