361642838 has 16 divisors (see below), whose sum is σ = 562913280. Its totient is φ = 174066600.

The previous prime is 361642781. The next prime is 361642843. The reversal of 361642838 is 838246163.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 361642795 and 361642804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3428 + ... + 27111.

It is an arithmetic number, because the mean of its divisors is an integer number (35182080).

Almost surely, 2^361642838 is an apocalyptic number.

361642838 is a deficient number, since it is larger than the sum of its proper divisors (201270442).

361642838 is a wasteful number, since it uses less digits than its factorization.

361642838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30763.

The product of its digits is 165888, while the sum is 41.

The square root of 361642838 is about 19016.9092651777. The cubic root of 361642838 is about 712.4591300246.

The spelling of 361642838 in words is "three hundred sixty-one million, six hundred forty-two thousand, eight hundred thirty-eight".