11929489 has 8 divisors (see below), whose sum is σ = 14015232. Its totient is φ = 10010640.

The previous prime is 11929487. The next prime is 11929499. The reversal of 11929489 is 98492911.

It is a happy number.

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 11929489 - 2¹ = 11929487 is a prime.

It is a super-2 number, since 2×11929489² = 284625415602242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11929487) 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, 41569 + ... + 41854.

It is an arithmetic number, because the mean of its divisors is an integer number (1751904).

Almost surely, 2^11929489 is an apocalyptic number.

It is an amenable number.

11929489 is a deficient number, since it is larger than the sum of its proper divisors (2085743).

11929489 is a wasteful number, since it uses less digits than its factorization.

11929489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83447.

The product of its digits is 46656, while the sum is 43.

The square root of 11929489 is about 3453.9092344762. The cubic root of 11929489 is about 228.4935509802.

The spelling of 11929489 in words is "eleven million, nine hundred twenty-nine thousand, four hundred eighty-nine".