361790873 has 2 divisors, whose sum is σ = 361790874. Its totient is φ = 361790872.

The previous prime is 361790867. The next prime is 361790881. The reversal of 361790873 is 378097163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344584969 + 17205904 = 18563^2 + 4148^2 .

It is a cyclic number.

It is not a de Polignac number, because 361790873 - 2¹⁸ = 361528729 is a prime.

It is a super-2 number, since 2×361790873² = 261785271572204258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (361790813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180895436 + 180895437.

It is an arithmetic number, because the mean of its divisors is an integer number (180895437).

Almost surely, 2^361790873 is an apocalyptic number.

It is an amenable number.

361790873 is a deficient number, since it is larger than the sum of its proper divisors (1).

361790873 is an equidigital number, since it uses as much as digits as its factorization.

361790873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 361790873 is about 19020.8010609438. The cubic root of 361790873 is about 712.5563295160.

The spelling of 361790873 in words is "three hundred sixty-one million, seven hundred ninety thousand, eight hundred seventy-three".