366860387 has 4 divisors (see below), whose sum is σ = 367179720. Its totient is φ = 366541056.

The previous prime is 366860369. The next prime is 366860399. The reversal of 366860387 is 783068663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783068663 = 13 ⋅60236051.

It is a cyclic number.

It is not a de Polignac number, because 366860387 - 2²⁴ = 350083171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (366860287) 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 3 ways as a sum of consecutive naturals, for example, 157937 + ... + 160242.

It is an arithmetic number, because the mean of its divisors is an integer number (91794930).

Almost surely, 2^366860387 is an apocalyptic number.

366860387 is a deficient number, since it is larger than the sum of its proper divisors (319333).

366860387 is a wasteful number, since it uses less digits than its factorization.

366860387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319332.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 366860387 is about 19153.5998444157. The cubic root of 366860387 is about 715.8690832236.

The spelling of 366860387 in words is "three hundred sixty-six million, eight hundred sixty thousand, three hundred eighty-seven".