383289842 has 16 divisors (see below), whose sum is σ = 629657280. Its totient is φ = 173903952.

The previous prime is 383289833. The next prime is 383289847. The reversal of 383289842 is 248982383.

It is a super-2 number, since 2×383289842² = 293822205960769928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (383289847) 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, 123398 + ... + 126465.

It is an arithmetic number, because the mean of its divisors is an integer number (39353580).

Almost surely, 2^383289842 is an apocalyptic number.

383289842 is a deficient number, since it is larger than the sum of its proper divisors (246367438).

383289842 is a wasteful number, since it uses less digits than its factorization.

383289842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249937.

The product of its digits is 663552, while the sum is 47.

The square root of 383289842 is about 19577.7895075006. The cubic root of 383289842 is about 726.3998902418.

The spelling of 383289842 in words is "three hundred eighty-three million, two hundred eighty-nine thousand, eight hundred forty-two".