23239386 has 40 divisors (see below), whose sum is σ = 52446240. Its totient is φ = 7691112.

The previous prime is 23239373. The next prime is 23239409. The reversal of 23239386 is 68393232.

It is a super-3 number, since 3×23239386³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23239386.

It is an unprimeable number.

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, 26625 + ... + 27483.

It is an arithmetic number, because the mean of its divisors is an integer number (1311156).

Almost surely, 2^23239386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23239386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26223120).

23239386 is an abundant number, since it is smaller than the sum of its proper divisors (29206854).

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

23239386 is a wasteful number, since it uses less digits than its factorization.

23239386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 1031 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 23239386 is about 4820.7246343263. The cubic root of 23239386 is about 285.3699351223.

The spelling of 23239386 in words is "twenty-three million, two hundred thirty-nine thousand, three hundred eighty-six".