18960265 has 8 divisors (see below), whose sum is σ = 22869000. Its totient is φ = 15090432.

The previous prime is 18960259. The next prime is 18960269. The reversal of 18960265 is 56206981.

It can be written as a sum of positive squares in 4 ways, for example, as 9815689 + 9144576 = 3133^2 + 3024^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18960265 - 2¹¹ = 18958217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18960269) 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, 8640 + ... + 10609.

It is an arithmetic number, because the mean of its divisors is an integer number (2858625).

Almost surely, 2^18960265 is an apocalyptic number.

It is an amenable number.

18960265 is a deficient number, since it is larger than the sum of its proper divisors (3908735).

18960265 is a wasteful number, since it uses less digits than its factorization.

18960265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19451.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 18960265 is about 4354.3386409419. The cubic root of 18960265 is about 266.6540193655.

The spelling of 18960265 in words is "eighteen million, nine hundred sixty thousand, two hundred sixty-five".