361404163 has 4 divisors (see below), whose sum is σ = 364781880. Its totient is φ = 358026448.

The previous prime is 361404157. The next prime is 361404179.

361404163 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 361404163 - 2¹³ = 361395971 is a prime.

It is a super-2 number, since 2×361404163² = 261225938067461138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361404143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688698 + ... + 1688911.

It is an arithmetic number, because the mean of its divisors is an integer number (91195470).

Almost surely, 2^361404163 is an apocalyptic number.

361404163 is a deficient number, since it is larger than the sum of its proper divisors (3377717).

361404163 is a wasteful number, since it uses less digits than its factorization.

361404163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377716.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 361404163 is about 19010.6328931995. The cubic root of 361404163 is about 712.3023606125.

The spelling of 361404163 in words is "three hundred sixty-one million, four hundred four thousand, one hundred sixty-three".