383149989 has 12 divisors (see below), whose sum is σ = 553948876. Its totient is φ = 255197952.

The previous prime is 383149957. The next prime is 383149993. The reversal of 383149989 is 989941383.

It can be written as a sum of positive squares in 2 ways, for example, as 99800100 + 283349889 = 9990^2 + 16833^2 .

It is not a de Polignac number, because 383149989 - 2⁵ = 383149957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383149489) 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 11 ways as a sum of consecutive naturals, for example, 9004 + ... + 29109.

Almost surely, 2^383149989 is an apocalyptic number.

It is an amenable number.

383149989 is a deficient number, since it is larger than the sum of its proper divisors (170798887).

383149989 is a wasteful number, since it uses less digits than its factorization.

383149989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39236 (or 39233 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 383149989 is about 19574.2174556226. The cubic root of 383149989 is about 726.3115310325.

The spelling of 383149989 in words is "three hundred eighty-three million, one hundred forty-nine thousand, nine hundred eighty-nine".