8942238 has 60 divisors (see below), whose sum is σ = 21396672. Its totient is φ = 2790720.

The previous prime is 8942233. The next prime is 8942243. The reversal of 8942238 is 8322498.

It is an interprime number because it is at equal distance from previous prime (8942233) and next prime (8942243).

It is an Ulam number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8942233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 46723 + ... + 46913.

Almost surely, 2^8942238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8942238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10698336).

8942238 is an abundant number, since it is smaller than the sum of its proper divisors (12454434).

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

8942238 is a wasteful number, since it uses less digits than its factorization.

8942238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 213 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 8942238 is about 2990.3575037109. The cubic root of 8942238 is about 207.5624276285.

It can be divided in two parts, 8942 and 238, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 8942238 in words is "eight million, nine hundred forty-two thousand, two hundred thirty-eight".