386761 has 4 divisors (see below), whose sum is σ = 397252. Its totient is φ = 376272.

The previous prime is 386747. The next prime is 386777. The reversal of 386761 is 167683.

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

It can be written as a sum of positive squares in 2 ways, for example, as 366025 + 20736 = 605^2 + 144^2 .

It is a cyclic number.

It is not a de Polignac number, because 386761 - 2⁹ = 386249 is a prime.

It is a super-2 number, since 2×386761² = 299168142242, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 386761 parts by 879 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5190 + ... + 5263.

It is an arithmetic number, because the mean of its divisors is an integer number (99313).

2³⁸⁶⁷⁶¹ is an apocalyptic number.

It is an amenable number.

386761 is a deficient number, since it is larger than the sum of its proper divisors (10491).

386761 is a wasteful number, since it uses less digits than its factorization.

386761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10490.

The product of its digits is 6048, while the sum is 31.

The square root of 386761 is about 621.9011175420. The cubic root of 386761 is about 72.8586116765.

The spelling of 386761 in words is "three hundred eighty-six thousand, seven hundred sixty-one".