318028842 has 40 divisors (see below), whose sum is σ = 713923716. Its totient is φ = 105815808.

The previous prime is 318028793. The next prime is 318028847. The reversal of 318028842 is 248820813.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 292717881 + 25310961 = 17109^2 + 5031^2 .

It is a super-2 number, since 2×318028842² = 202284688687721928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 318028797 and 318028806.

It is not an unprimeable number, because it can be changed into a prime (318028847) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 107568 + ... + 110484.

Almost surely, 2^318028842 is an apocalyptic number.

318028842 is an abundant number, since it is smaller than the sum of its proper divisors (395894874).

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

318028842 is a wasteful number, since it uses less digits than its factorization.

318028842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604 (or 3595 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 318028842 is about 17833.3631713146. The cubic root of 318028842 is about 682.5830547397.

The spelling of 318028842 in words is "three hundred eighteen million, twenty-eight thousand, eight hundred forty-two".