23849838 has 24 divisors (see below), whose sum is σ = 52086528. Its totient is φ = 7886592.

The previous prime is 23849831. The next prime is 23849849. The reversal of 23849838 is 83894832.

It is a junction number, because it is equal to n+sod(n) for n = 23849793 and 23849802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23849831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2931 + ... + 7502.

It is an arithmetic number, because the mean of its divisors is an integer number (2170272).

Almost surely, 2^23849838 is an apocalyptic number.

23849838 is an abundant number, since it is smaller than the sum of its proper divisors (28236690).

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

23849838 is a wasteful number, since it uses less digits than its factorization.

23849838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10568 (or 10565 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 23849838 is about 4883.6295928336. The cubic root of 23849838 is about 287.8470686904.

The spelling of 23849838 in words is "twenty-three million, eight hundred forty-nine thousand, eight hundred thirty-eight".