383399641 has 4 divisors (see below), whose sum is σ = 389898000. Its totient is φ = 376901284.

The previous prime is 383399591. The next prime is 383399671. The reversal of 383399641 is 146993383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 383399641 - 2⁹ = 383399129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 383399591 and 383399600.

It is not an unprimeable number, because it can be changed into a prime (383399671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3249091 + ... + 3249208.

It is an arithmetic number, because the mean of its divisors is an integer number (97474500).

Almost surely, 2^383399641 is an apocalyptic number.

It is an amenable number.

383399641 is a deficient number, since it is larger than the sum of its proper divisors (6498359).

383399641 is an equidigital number, since it uses as much as digits as its factorization.

383399641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498358.

The product of its digits is 419904, while the sum is 46.

The square root of 383399641 is about 19580.5934792590. The cubic root of 383399641 is about 726.4692462557.

The spelling of 383399641 in words is "three hundred eighty-three million, three hundred ninety-nine thousand, six hundred forty-one".