940839228 has 144 divisors (see below), whose sum is σ = 2977490880. Its totient is φ = 244242432.

The previous prime is 940839223. The next prime is 940839233. The reversal of 940839228 is 822938049.

It is an interprime number because it is at equal distance from previous prime (940839223) and next prime (940839233).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940839223) 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 47 ways as a sum of consecutive naturals, for example, 120450 + ... + 128022.

It is an arithmetic number, because the mean of its divisors is an integer number (20677020).

Almost surely, 2^940839228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 940839228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488745440).

940839228 is an abundant number, since it is smaller than the sum of its proper divisors (2036651652).

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

940839228 is a wasteful number, since it uses less digits than its factorization.

940839228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7636 (or 7631 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 940839228 is about 30673.1026797095. The cubic root of 940839228 is about 979.8775454381.

The spelling of 940839228 in words is "nine hundred forty million, eight hundred thirty-nine thousand, two hundred twenty-eight".