23839746 has 64 divisors (see below), whose sum is σ = 58330368. Its totient is φ = 6340608.

The previous prime is 23839733. The next prime is 23839747. The reversal of 23839746 is 64793832.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 23839698 and 23839707.

It is not an unprimeable number, because it can be changed into a prime (23839747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123426 + ... + 123618.

It is an arithmetic number, because the mean of its divisors is an integer number (911412).

Almost surely, 2^23839746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23839746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29165184).

23839746 is an abundant number, since it is smaller than the sum of its proper divisors (34490622).

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

23839746 is a wasteful number, since it uses less digits than its factorization.

23839746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395.

The product of its digits is 217728, while the sum is 42.

The square root of 23839746 is about 4882.5962356107. The cubic root of 23839746 is about 287.8064623704.

The spelling of 23839746 in words is "twenty-three million, eight hundred thirty-nine thousand, seven hundred forty-six".