18952969 has 8 divisors (see below), whose sum is σ = 21935360. Its totient is φ = 16039296.

The previous prime is 18952961. The next prime is 18953021. The reversal of 18952969 is 96925981.

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

It is not a de Polignac number, because 18952969 - 2³ = 18952961 is a prime.

It is a super-2 number, since 2×18952969² = 718430067829922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18952961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16584 + ... + 17689.

It is an arithmetic number, because the mean of its divisors is an integer number (2741920).

Almost surely, 2^18952969 is an apocalyptic number.

It is an amenable number.

18952969 is a deficient number, since it is larger than the sum of its proper divisors (2982391).

18952969 is an equidigital number, since it uses as much as digits as its factorization.

18952969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34359.

The product of its digits is 349920, while the sum is 49.

The square root of 18952969 is about 4353.5007752382. The cubic root of 18952969 is about 266.6198117331.

The spelling of 18952969 in words is "eighteen million, nine hundred fifty-two thousand, nine hundred sixty-nine".