383940967 has 4 divisors (see below), whose sum is σ = 384475680. Its totient is φ = 383406256.

The previous prime is 383940959. The next prime is 383941003. The reversal of 383940967 is 769049383.

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 383940967 - 2³ = 383940959 is a prime.

It is a super-2 number, since 2×383940967² = 294821332281790178, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 383940967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383946967) 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, 266278 + ... + 267715.

It is an arithmetic number, because the mean of its divisors is an integer number (96118920).

Almost surely, 2^383940967 is an apocalyptic number.

383940967 is a deficient number, since it is larger than the sum of its proper divisors (534713).

383940967 is an equidigital number, since it uses as much as digits as its factorization.

383940967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534712.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 383940967 is about 19594.4116267879. The cubic root of 383940967 is about 726.8109886685.

The spelling of 383940967 in words is "three hundred eighty-three million, nine hundred forty thousand, nine hundred sixty-seven".