283115238 has 48 divisors (see below), whose sum is σ = 693357120. Its totient is φ = 76631184.

The previous prime is 283115207. The next prime is 283115249. The reversal of 283115238 is 832511382.

It is a junction number, because it is equal to n+sod(n) for n = 283115199 and 283115208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19756 + ... + 30927.

It is an arithmetic number, because the mean of its divisors is an integer number (14444940).

Almost surely, 2^283115238 is an apocalyptic number.

283115238 is an abundant number, since it is smaller than the sum of its proper divisors (410241882).

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

283115238 is a wasteful number, since it uses less digits than its factorization.

283115238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50721 (or 50714 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 283115238 is about 16826.0285866868. The cubic root of 283115238 is about 656.6305455093.

The spelling of 283115238 in words is "two hundred eighty-three million, one hundred fifteen thousand, two hundred thirty-eight".