18970269 has 8 divisors (see below), whose sum is σ = 25325760. Its totient is φ = 12630816.

The previous prime is 18970243. The next prime is 18970279. The reversal of 18970269 is 96207981.

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

It is not a de Polignac number, because 18970269 - 2⁷ = 18970141 is a prime.

It is a super-2 number, since 2×18970269² = 719742211864722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18970269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18970229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904 + ... + 6225.

It is an arithmetic number, because the mean of its divisors is an integer number (3165720).

Almost surely, 2^18970269 is an apocalyptic number.

It is an amenable number.

18970269 is a deficient number, since it is larger than the sum of its proper divisors (6355491).

18970269 is an equidigital number, since it uses as much as digits as its factorization.

18970269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8019.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 18970269 is about 4355.4872287725. The cubic root of 18970269 is about 266.7009093180.

The spelling of 18970269 in words is "eighteen million, nine hundred seventy thousand, two hundred sixty-nine".