18034943 has 8 divisors (see below), whose sum is σ = 19420560. Its totient is φ = 16685440.

The previous prime is 18034937. The next prime is 18034969. The reversal of 18034943 is 34943081.

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

It is a cyclic number.

It is not a de Polignac number, because 18034943 - 2⁴ = 18034927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18034843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7988 + ... + 9993.

It is an arithmetic number, because the mean of its divisors is an integer number (2427570).

Almost surely, 2^18034943 is an apocalyptic number.

18034943 is a deficient number, since it is larger than the sum of its proper divisors (1385617).

18034943 is a wasteful number, since it uses less digits than its factorization.

18034943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18057.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 18034943 is about 4246.7567625189. The cubic root of 18034943 is about 262.2436160354.

The spelling of 18034943 in words is "eighteen million, thirty-four thousand, nine hundred forty-three".