18340952 has 16 divisors (see below), whose sum is σ = 39302160. Its totient is φ = 7860384.

The previous prime is 18340939. The next prime is 18340957. The reversal of 18340952 is 25904381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18340957) 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 in 3 ways as a sum of consecutive naturals, for example, 163703 + ... + 163814.

It is an arithmetic number, because the mean of its divisors is an integer number (2456385).

Almost surely, 2^18340952 is an apocalyptic number.

It is an amenable number.

18340952 is an abundant number, since it is smaller than the sum of its proper divisors (20961208).

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

18340952 is a wasteful number, since it uses less digits than its factorization.

18340952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327530 (or 327526 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 18340952 is about 4282.6337690725. The cubic root of 18340952 is about 263.7185169402.

The spelling of 18340952 in words is "eighteen million, three hundred forty thousand, nine hundred fifty-two".