24649138 has 8 divisors (see below), whose sum is σ = 37600560. Its totient is φ = 12115620.

The previous prime is 24649117. The next prime is 24649139. The reversal of 24649138 is 83194642.

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

It is a junction number, because it is equal to n+sod(n) for n = 24649097 and 24649106.

It is not an unprimeable number, because it can be changed into a prime (24649139) 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 3 ways as a sum of consecutive naturals, for example, 104328 + ... + 104563.

It is an arithmetic number, because the mean of its divisors is an integer number (4700070).

Almost surely, 2^24649138 is an apocalyptic number.

24649138 is a deficient number, since it is larger than the sum of its proper divisors (12951422).

24649138 is a wasteful number, since it uses less digits than its factorization.

24649138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208952.

The product of its digits is 41472, while the sum is 37.

The square root of 24649138 is about 4964.7898243531. The cubic root of 24649138 is about 291.0274219070.

The spelling of 24649138 in words is "twenty-four million, six hundred forty-nine thousand, one hundred thirty-eight".