383849 has 4 divisors (see below), whose sum is σ = 392064. Its totient is φ = 375636.

The previous prime is 383839. The next prime is 383869. The reversal of 383849 is 948383.

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, and also an emirpimes, since its reverse is a distinct semiprime: 948383 = 31 ⋅30593.

It is a cyclic number.

It is not a de Polignac number, because 383849 - 2⁴ = 383833 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (383839) 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, 4037 + ... + 4130.

It is an arithmetic number, because the mean of its divisors is an integer number (98016).

2³⁸³⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

383849 is a deficient number, since it is larger than the sum of its proper divisors (8215).

383849 is an equidigital number, since it uses as much as digits as its factorization.

383849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8214.

The product of its digits is 20736, while the sum is 35.

The square root of 383849 is about 619.5554858122. Note that the first 3 decimals coincide. The cubic root of 383849 is about 72.6752952000.

The spelling of 383849 in words is "three hundred eighty-three thousand, eight hundred forty-nine".