24138486 has 40 divisors (see below), whose sum is σ = 54624240. Its totient is φ = 7966512.

The previous prime is 24138481. The next prime is 24138497. The reversal of 24138486 is 68483142.

It is a self number, because there is not a number n which added to its sum of digits gives 24138486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24138481) 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 19 ways as a sum of consecutive naturals, for example, 16975 + ... + 18341.

It is an arithmetic number, because the mean of its divisors is an integer number (1365606).

Almost surely, 2^24138486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24138486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27312120).

24138486 is an abundant number, since it is smaller than the sum of its proper divisors (30485754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24138486 is a wasteful number, since it uses less digits than its factorization.

24138486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490 (or 1481 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 24138486 is about 4913.0933229484. The cubic root of 24138486 is about 289.0036597119.

The spelling of 24138486 in words is "twenty-four million, one hundred thirty-eight thousand, four hundred eighty-six".