18852965 has 8 divisors (see below), whose sum is σ = 22994808. Its totient is φ = 14834880.

The previous prime is 18852947. The next prime is 18852971. The reversal of 18852965 is 56925881.

It is a Cunningham number, because it is equal to 4342²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 611524 + 18241441 = 782^2 + 4271^2 .

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

It is not a de Polignac number, because 18852965 - 2⁶ = 18852901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30602 + ... + 31211.

It is an arithmetic number, because the mean of its divisors is an integer number (2874351).

Almost surely, 2^18852965 is an apocalyptic number.

It is an amenable number.

18852965 is a deficient number, since it is larger than the sum of its proper divisors (4141843).

18852965 is an equidigital number, since it uses as much as digits as its factorization.

18852965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61879.

The product of its digits is 172800, while the sum is 44.

The square root of 18852965 is about 4342.0001151543. Note that the first 3 decimals coincide. The cubic root of 18852965 is about 266.1500510176.

The spelling of 18852965 in words is "eighteen million, eight hundred fifty-two thousand, nine hundred sixty-five".