386263643 has 8 divisors (see below), whose sum is σ = 397555200. Its totient is φ = 375134760.

The previous prime is 386263637. The next prime is 386263667. The reversal of 386263643 is 346362683.

It is a happy number.

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 386263643 - 2¹⁰ = 386262619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 386263643.

It is not an unprimeable number, because it can be changed into a prime (386263043) 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, 35843 + ... + 45356.

It is an arithmetic number, because the mean of its divisors is an integer number (49694400).

Almost surely, 2^386263643 is an apocalyptic number.

386263643 is a deficient number, since it is larger than the sum of its proper divisors (11291557).

386263643 is an equidigital number, since it uses as much as digits as its factorization.

386263643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81337.

The product of its digits is 373248, while the sum is 41.

The square root of 386263643 is about 19653.5910967945. The cubic root of 386263643 is about 728.2736732960.

The spelling of 386263643 in words is "three hundred eighty-six million, two hundred sixty-three thousand, six hundred forty-three".