383457 has 4 divisors (see below), whose sum is σ = 511280. Its totient is φ = 255636.

The previous prime is 383429. The next prime is 383459. The reversal of 383457 is 754383.

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 not a de Polignac number, because 383457 - 2⁶ = 383393 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383459) 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 3 ways as a sum of consecutive naturals, for example, 63907 + ... + 63912.

It is an arithmetic number, because the mean of its divisors is an integer number (127820).

2³⁸³⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

383457 is a deficient number, since it is larger than the sum of its proper divisors (127823).

383457 is a wasteful number, since it uses less digits than its factorization.

383457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127822.

The product of its digits is 10080, while the sum is 30.

The square root of 383457 is about 619.2390491563. The cubic root of 383457 is about 72.6505472573.

The spelling of 383457 in words is "three hundred eighty-three thousand, four hundred fifty-seven".