18764234 has 8 divisors (see below), whose sum is σ = 28319520. Its totient is φ = 9324396.

The previous prime is 18764219. The next prime is 18764237. The reversal of 18764234 is 43246781.

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 = 18764194 and 18764203.

It is not an unprimeable number, because it can be changed into a prime (18764237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28454 + ... + 29105.

It is an arithmetic number, because the mean of its divisors is an integer number (3539940).

Almost surely, 2^18764234 is an apocalyptic number.

18764234 is a deficient number, since it is larger than the sum of its proper divisors (9555286).

18764234 is a wasteful number, since it uses less digits than its factorization.

18764234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57724.

The product of its digits is 32256, while the sum is 35.

The square root of 18764234 is about 4331.7703078534. The cubic root of 18764234 is about 265.7318514339.

The spelling of 18764234 in words is "eighteen million, seven hundred sixty-four thousand, two hundred thirty-four".