361085556 has 96 divisors (see below), whose sum is σ = 954309888. Its totient is φ = 105431040.

The previous prime is 361085539. The next prime is 361085561. The reversal of 361085556 is 655580163.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 562996 + ... + 563636.

It is an arithmetic number, because the mean of its divisors is an integer number (9940728).

Almost surely, 2^361085556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361085556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477154944).

361085556 is an abundant number, since it is smaller than the sum of its proper divisors (593224332).

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

361085556 is a wasteful number, since it uses less digits than its factorization.

361085556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 361085556 is about 19002.2513403018. The cubic root of 361085556 is about 712.0929816917.

The spelling of 361085556 in words is "three hundred sixty-one million, eighty-five thousand, five hundred fifty-six".