361686457 has 16 divisors (see below), whose sum is σ = 403947648. Its totient is φ = 321079680.

The previous prime is 361686443. The next prime is 361686487. The reversal of 361686457 is 754686163.

It is a cyclic number.

It is not a de Polignac number, because 361686457 - 2⁷ = 361686329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361686427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80523 + ... + 84895.

It is an arithmetic number, because the mean of its divisors is an integer number (25246728).

Almost surely, 2^361686457 is an apocalyptic number.

It is an amenable number.

361686457 is a deficient number, since it is larger than the sum of its proper divisors (42261191).

361686457 is a wasteful number, since it uses less digits than its factorization.

361686457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560.

The product of its digits is 725760, while the sum is 46.

The square root of 361686457 is about 19018.0560783693. The cubic root of 361686457 is about 712.4877729306.

The spelling of 361686457 in words is "three hundred sixty-one million, six hundred eighty-six thousand, four hundred fifty-seven".