18340064 has 24 divisors (see below), whose sum is σ = 37353960. Its totient is φ = 8853376.

The previous prime is 18340061. The next prime is 18340139. The reversal of 18340064 is 46004381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18340061) 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, 8954 + ... + 10809.

It is an arithmetic number, because the mean of its divisors is an integer number (1556415).

Almost surely, 2^18340064 is an apocalyptic number.

It is an amenable number.

18340064 is an abundant number, since it is smaller than the sum of its proper divisors (19013896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18340064 is a wasteful number, since it uses less digits than its factorization.

18340064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19802 (or 19794 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 18340064 is about 4282.5300932977. The cubic root of 18340064 is about 263.7142607849.

The spelling of 18340064 in words is "eighteen million, three hundred forty thousand, sixty-four".