296686138 has 16 divisors (see below), whose sum is σ = 515769984. Its totient is φ = 125359920.

The previous prime is 296686109. The next prime is 296686139. The reversal of 296686138 is 831686692.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 296686091 and 296686100.

It is not an unprimeable number, because it can be changed into a prime (296686139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148245 + ... + 150232.

It is an arithmetic number, because the mean of its divisors is an integer number (32235624).

Almost surely, 2^296686138 is an apocalyptic number.

296686138 is a deficient number, since it is larger than the sum of its proper divisors (219083846).

296686138 is a wasteful number, since it uses less digits than its factorization.

296686138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298557.

The product of its digits is 746496, while the sum is 49.

The square root of 296686138 is about 17224.5794723703. The cubic root of 296686138 is about 666.9589198079.

The spelling of 296686138 in words is "two hundred ninety-six million, six hundred eighty-six thousand, one hundred thirty-eight".