386403 has 8 divisors (see below), whose sum is σ = 542400. Its totient is φ = 244008.

The previous prime is 386401. The next prime is 386411. The reversal of 386403 is 304683.

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

It is not a de Polignac number, because 386403 - 2¹ = 386401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (386401) 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 7 ways as a sum of consecutive naturals, for example, 3333 + ... + 3446.

It is an arithmetic number, because the mean of its divisors is an integer number (67800).

2³⁸⁶⁴⁰³ is an apocalyptic number.

386403 is a deficient number, since it is larger than the sum of its proper divisors (155997).

386403 is a wasteful number, since it uses less digits than its factorization.

386403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6801.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 386403 is about 621.6132237976. The cubic root of 386403 is about 72.8361245462.

It can be divided in two parts, 38 and 6403, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 386403 in words is "three hundred eighty-six thousand, four hundred three".