11904243 has 8 divisors (see below), whose sum is σ = 17093328. Its totient is φ = 7325664.

The previous prime is 11904223. The next prime is 11904247. The reversal of 11904243 is 34240911.

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

It is not a de Polignac number, because 11904243 - 2¹⁰ = 11903219 is a prime.

It is a super-2 number, since 2×11904243² = 283422002806098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11904247) 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, 152580 + ... + 152657.

It is an arithmetic number, because the mean of its divisors is an integer number (2136666).

Almost surely, 2^11904243 is an apocalyptic number.

11904243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11904243 is a deficient number, since it is larger than the sum of its proper divisors (5189085).

11904243 is a wasteful number, since it uses less digits than its factorization.

11904243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305253.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 11904243 is about 3450.2525994483. The cubic root of 11904243 is about 228.3322525863.

The spelling of 11904243 in words is "eleven million, nine hundred four thousand, two hundred forty-three".