18960769 has 4 divisors (see below), whose sum is σ = 19189296. Its totient is φ = 18732244.

The previous prime is 18960757. The next prime is 18960779. The reversal of 18960769 is 96706981.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18960769 - 2²¹ = 16863617 is a prime.

It is a super-2 number, since 2×18960769² = 719021522142722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18960779) 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, 114139 + ... + 114304.

It is an arithmetic number, because the mean of its divisors is an integer number (4797324).

Almost surely, 2^18960769 is an apocalyptic number.

It is an amenable number.

18960769 is a deficient number, since it is larger than the sum of its proper divisors (228527).

18960769 is an equidigital number, since it uses as much as digits as its factorization.

18960769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228526.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 18960769 is about 4354.3965138696. The cubic root of 18960769 is about 266.6563820686.

The spelling of 18960769 in words is "eighteen million, nine hundred sixty thousand, seven hundred sixty-nine".