361075638 has 64 divisors (see below), whose sum is σ = 903052800. Its totient is φ = 93504000.

The previous prime is 361075621. The next prime is 361075657. The reversal of 361075638 is 836570163.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 361075596 and 361075605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184288 + ... + 186236.

It is an arithmetic number, because the mean of its divisors is an integer number (14110200).

Almost surely, 2^361075638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361075638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451526400).

361075638 is an abundant number, since it is smaller than the sum of its proper divisors (541977162).

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

361075638 is a wasteful number, since it uses less digits than its factorization.

361075638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 361075638 is about 19001.9903694324. The cubic root of 361075638 is about 712.0864619046.

The spelling of 361075638 in words is "three hundred sixty-one million, seventy-five thousand, six hundred thirty-eight".