18969241 has 8 divisors (see below), whose sum is σ = 19875584. Its totient is φ = 18081360.

The previous prime is 18969233. The next prime is 18969253. The reversal of 18969241 is 14296981.

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

It is a cyclic number.

It is not a de Polignac number, because 18969241 - 2³ = 18969233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18969194 and 18969203.

It is not an unprimeable number, because it can be changed into a prime (18969221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2490 + ... + 6643.

It is an arithmetic number, because the mean of its divisors is an integer number (2484448).

Almost surely, 2^18969241 is an apocalyptic number.

It is an amenable number.

18969241 is a deficient number, since it is larger than the sum of its proper divisors (906343).

18969241 is an equidigital number, since it uses as much as digits as its factorization.

18969241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9231.

The product of its digits is 31104, while the sum is 40.

The square root of 18969241 is about 4355.3692151183. The cubic root of 18969241 is about 266.6960917183.

The spelling of 18969241 in words is "eighteen million, nine hundred sixty-nine thousand, two hundred forty-one".