18344030 has 8 divisors (see below), whose sum is σ = 33019272. Its totient is φ = 7337608.

The previous prime is 18344023. The next prime is 18344069. The reversal of 18344030 is 3044381.

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

It is a junction number, because it is equal to n+sod(n) for n = 18343987 and 18344005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917192 + ... + 917211.

It is an arithmetic number, because the mean of its divisors is an integer number (4127409).

Almost surely, 2^18344030 is an apocalyptic number.

18344030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18344030 is a deficient number, since it is larger than the sum of its proper divisors (14675242).

18344030 is a wasteful number, since it uses less digits than its factorization.

18344030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834410.

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

The square root of 18344030 is about 4282.9931122989. The cubic root of 18344030 is about 263.7332686316.

The spelling of 18344030 in words is "eighteen million, three hundred forty-four thousand, thirty".