361640798 has 16 divisors (see below), whose sum is σ = 545466960. Its totient is φ = 179822016.

The previous prime is 361640791. The next prime is 361640801. The reversal of 361640798 is 897046163.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361640791) 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, 446618 + ... + 447426.

It is an arithmetic number, because the mean of its divisors is an integer number (34091685).

Almost surely, 2^361640798 is an apocalyptic number.

361640798 is a deficient number, since it is larger than the sum of its proper divisors (183826162).

361640798 is a wasteful number, since it uses less digits than its factorization.

361640798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 361640798 is about 19016.8556286259. The cubic root of 361640798 is about 712.4577903793.

The spelling of 361640798 in words is "three hundred sixty-one million, six hundred forty thousand, seven hundred ninety-eight".