18250764 has 24 divisors (see below), whose sum is σ = 48668928. Its totient is φ = 5214480.

The previous prime is 18250759. The next prime is 18250769. The reversal of 18250764 is 46705281.

It is an interprime number because it is at equal distance from previous prime (18250759) and next prime (18250769).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18250769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108552 + ... + 108719.

It is an arithmetic number, because the mean of its divisors is an integer number (2027872).

Almost surely, 2^18250764 is an apocalyptic number.

18250764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18250764 is an abundant number, since it is smaller than the sum of its proper divisors (30418164).

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

18250764 is a wasteful number, since it uses less digits than its factorization.

18250764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217285 (or 217283 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 18250764 is about 4272.0912911594. The cubic root of 18250764 is about 263.2855452815.

The spelling of 18250764 in words is "eighteen million, two hundred fifty thousand, seven hundred sixty-four".