386516 has 12 divisors (see below), whose sum is σ = 728532. Its totient is φ = 178368.

The previous prime is 386501. The next prime is 386521. The reversal of 386516 is 615683.

386516 = T₉₅ + T₉₆ + ... + T₁₄₆.

It can be written as a sum of positive squares in 2 ways, for example, as 38416 + 348100 = 196^2 + 590^2 .

It is a congruent number.

It is an unprimeable number.

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, 3665 + ... + 3768.

It is an arithmetic number, because the mean of its divisors is an integer number (60711).

2³⁸⁶⁵¹⁶ is an apocalyptic number.

It is an amenable number.

386516 is a deficient number, since it is larger than the sum of its proper divisors (342016).

386516 is a wasteful number, since it uses less digits than its factorization.

386516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7450 (or 7448 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 386516 is about 621.7041096856. The cubic root of 386516 is about 72.8432239389.

The spelling of 386516 in words is "three hundred eighty-six thousand, five hundred sixteen".