18796869 has 48 divisors (see below), whose sum is σ = 34070400. Its totient is φ = 9721728.

The previous prime is 18796847. The next prime is 18796879. The reversal of 18796869 is 96869781.

It is a de Polignac number, because none of the positive numbers 2^k-18796869 is a prime.

It is a super-2 number, since 2×18796869² = 706644568406322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18796879) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48127 + ... + 48515.

It is an arithmetic number, because the mean of its divisors is an integer number (709800).

Almost surely, 2^18796869 is an apocalyptic number.

It is an amenable number.

18796869 is a deficient number, since it is larger than the sum of its proper divisors (15273531).

18796869 is a wasteful number, since it uses less digits than its factorization.

18796869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 471 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 18796869 is about 4335.5356070502. The cubic root of 18796869 is about 265.8858169736.

The spelling of 18796869 in words is "eighteen million, seven hundred ninety-six thousand, eight hundred sixty-nine".