361688238 has 12 divisors (see below), whose sum is σ = 783657888. Its totient is φ = 120562740.

The previous prime is 361688233. The next prime is 361688251. The reversal of 361688238 is 832886163.

361688238 is a `hidden beast` number, since 3 + 616 + 8 + 8 + 23 + 8 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 361688193 and 361688202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361688233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10046878 + ... + 10046913.

It is an arithmetic number, because the mean of its divisors is an integer number (65304824).

Almost surely, 2^361688238 is an apocalyptic number.

361688238 is an abundant number, since it is smaller than the sum of its proper divisors (421969650).

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

361688238 is a wasteful number, since it uses less digits than its factorization.

361688238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20093799 (or 20093796 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 361688238 is about 19018.1029022350. The cubic root of 361688238 is about 712.4889423953.

The spelling of 361688238 in words is "three hundred sixty-one million, six hundred eighty-eight thousand, two hundred thirty-eight".