386545 has 8 divisors (see below), whose sum is σ = 469224. Its totient is φ = 305664.

The previous prime is 386543. The next prime is 386549. The reversal of 386545 is 545683.

It can be written as a sum of positive squares in 4 ways, for example, as 31329 + 355216 = 177^2 + 596^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 386545 - 2¹ = 386543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87 + ... + 883.

It is an arithmetic number, because the mean of its divisors is an integer number (58653).

2³⁸⁶⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

386545 is a deficient number, since it is larger than the sum of its proper divisors (82679).

386545 is an equidigital number, since it uses as much as digits as its factorization.

386545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899.

The product of its digits is 14400, while the sum is 31.

The square root of 386545 is about 621.7274322402. The cubic root of 386545 is about 72.8450456838.

The spelling of 386545 in words is "three hundred eighty-six thousand, five hundred forty-five".