2238761928 has 48 divisors (see below), whose sum is σ = 6060564720. Its totient is φ = 688848576.

The previous prime is 2238761927. The next prime is 2238761929. The reversal of 2238761928 is 8291678322.

It is an interprime number because it is at equal distance from previous prime (2238761927) and next prime (2238761929).

It is not an unprimeable number, because it can be changed into a prime (2238761927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271926 + ... + 280037.

It is an arithmetic number, because the mean of its divisors is an integer number (126261765).

Almost surely, 2^2238761928 is an apocalyptic number.

It is an amenable number.

2238761928 is an abundant number, since it is smaller than the sum of its proper divisors (3821802792).

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

2238761928 is a wasteful number, since it uses less digits than its factorization.

2238761928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551998 (or 551981 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 2238761928 is about 47315.5569342685. The cubic root of 2238761928 is about 1308.1854191967.

The spelling of 2238761928 in words is "two billion, two hundred thirty-eight million, seven hundred sixty-one thousand, nine hundred twenty-eight".