18268701 has 24 divisors (see below), whose sum is σ = 27259680. Its totient is φ = 10871520.

The previous prime is 18268699. The next prime is 18268711. The reversal of 18268701 is 10786281.

It is a happy number.

It is not a de Polignac number, because 18268701 - 2¹ = 18268699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18268711) 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 23 ways as a sum of consecutive naturals, for example, 20991 + ... + 21843.

It is an arithmetic number, because the mean of its divisors is an integer number (1135820).

Almost surely, 2^18268701 is an apocalyptic number.

18268701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18268701 is a deficient number, since it is larger than the sum of its proper divisors (8990979).

18268701 is a wasteful number, since it uses less digits than its factorization.

18268701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 18268701 is about 4274.1900987205. The cubic root of 18268701 is about 263.3717701020.

The spelling of 18268701 in words is "eighteen million, two hundred sixty-eight thousand, seven hundred one".