383967 has 8 divisors (see below), whose sum is σ = 568880. Its totient is φ = 255960.

The previous prime is 383963. The next prime is 383969. The reversal of 383967 is 769383.

It is not a de Polignac number, because 383967 - 2² = 383963 is a prime.

It is a Duffinian number.

383967 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383963) 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, 7084 + ... + 7137.

It is an arithmetic number, because the mean of its divisors is an integer number (71110).

2³⁸³⁹⁶⁷ is an apocalyptic number.

383967 is a deficient number, since it is larger than the sum of its proper divisors (184913).

383967 is a wasteful number, since it uses less digits than its factorization.

383967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14230 (or 14224 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 383967 is about 619.6507080606. The cubic root of 383967 is about 72.6827415363.

It can be divided in two parts, 38 and 3967, that added together give a triangular number (4005 = T₈₉).

The spelling of 383967 in words is "three hundred eighty-three thousand, nine hundred sixty-seven".