18495764 has 12 divisors (see below), whose sum is σ = 36991584. Its totient is φ = 7926744.

The previous prime is 18495761. The next prime is 18495767. The reversal of 18495764 is 46759481.

It is an interprime number because it is at equal distance from previous prime (18495761) and next prime (18495767).

18495764 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18495761) 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, 330254 + ... + 330309.

It is an arithmetic number, because the mean of its divisors is an integer number (3082632).

Almost surely, 2^18495764 is an apocalyptic number.

18495764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18495764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18495764 is a wasteful number, since it uses less digits than its factorization.

18495764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660574 (or 660572 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 18495764 is about 4300.6701803324. The cubic root of 18495764 is about 264.4584359416.

The spelling of 18495764 in words is "eighteen million, four hundred ninety-five thousand, seven hundred sixty-four".