18290652 has 24 divisors (see below), whose sum is σ = 43671936. Its totient is φ = 5954928.

The previous prime is 18290647. The next prime is 18290653. The reversal of 18290652 is 25609281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18290653) 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, 17208 + ... + 18239.

It is an arithmetic number, because the mean of its divisors is an integer number (1819664).

Almost surely, 2^18290652 is an apocalyptic number.

18290652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18290652 is an abundant number, since it is smaller than the sum of its proper divisors (25381284).

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

18290652 is a wasteful number, since it uses less digits than its factorization.

18290652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35497 (or 35495 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 18290652 is about 4276.7571827262. The cubic root of 18290652 is about 263.4772138287.

The spelling of 18290652 in words is "eighteen million, two hundred ninety thousand, six hundred fifty-two".