11839867 has 8 divisors (see below), whose sum is σ = 12905424. Its totient is φ = 10796448.

The previous prime is 11839853. The next prime is 11839873. The reversal of 11839867 is 76893811.

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

It is a de Polignac number, because none of the positive numbers 2^k-11839867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11839847) 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, 4408 + ... + 6565.

It is an arithmetic number, because the mean of its divisors is an integer number (1613178).

Almost surely, 2^11839867 is an apocalyptic number.

11839867 is a deficient number, since it is larger than the sum of its proper divisors (1065557).

11839867 is a wasteful number, since it uses less digits than its factorization.

11839867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11069.

The product of its digits is 72576, while the sum is 43.

The square root of 11839867 is about 3440.9107805928. The cubic root of 11839867 is about 227.9199151895.

The spelling of 11839867 in words is "eleven million, eight hundred thirty-nine thousand, eight hundred sixty-seven".