2239844928 has 112 divisors (see below), whose sum is σ = 6491508480. Its totient is φ = 678436864.

The previous prime is 2239844927. The next prime is 2239844947. The reversal of 2239844928 is 8294489322.

2239844928 = T₂₀₂ + T₂₀₃ + ... + T₂₃₇₇.

It is a Cunningham number, because it is equal to 47327²-1.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (2239844927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82825 + ... + 106487.

Almost surely, 2^2239844928 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 2239844928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3245754240).

2239844928 is an abundant number, since it is smaller than the sum of its proper divisors (4251663552).

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

2239844928 is a wasteful number, since it uses less digits than its factorization.

2239844928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23724 (or 23714 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 2239844928 is about 47326.9999894352. Note that the first 4 decimals coincide. The cubic root of 2239844928 is about 1308.3963298790.

The spelling of 2239844928 in words is "two billion, two hundred thirty-nine million, eight hundred forty-four thousand, nine hundred twenty-eight".