382645243 has 4 divisors (see below), whose sum is σ = 382732200. Its totient is φ = 382558288.

The previous prime is 382645229. The next prime is 382645297. The reversal of 382645243 is 342546283.

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

It is a cyclic number.

It is not a de Polignac number, because 382645243 - 2²⁵ = 349090811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382655243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36505 + ... + 45802.

It is an arithmetic number, because the mean of its divisors is an integer number (95683050).

Almost surely, 2^382645243 is an apocalyptic number.

382645243 is a deficient number, since it is larger than the sum of its proper divisors (86957).

382645243 is an equidigital number, since it uses as much as digits as its factorization.

382645243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86956.

The product of its digits is 138240, while the sum is 37.

The square root of 382645243 is about 19561.3200730421. The cubic root of 382645243 is about 725.9924532553.

The spelling of 382645243 in words is "three hundred eighty-two million, six hundred forty-five thousand, two hundred forty-three".