383489137 has 4 divisors (see below), whose sum is σ = 383728500. Its totient is φ = 383249776.

The previous prime is 383489087. The next prime is 383489149. The reversal of 383489137 is 731984383.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 229704336 + 153784801 = 15156^2 + 12401^2 .

It is a cyclic number.

It is not a de Polignac number, because 383489137 - 2¹⁹ = 382964849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383489237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117262 + ... + 120487.

It is an arithmetic number, because the mean of its divisors is an integer number (95932125).

Almost surely, 2^383489137 is an apocalyptic number.

It is an amenable number.

383489137 is a deficient number, since it is larger than the sum of its proper divisors (239363).

383489137 is a wasteful number, since it uses less digits than its factorization.

383489137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239362.

The product of its digits is 435456, while the sum is 46.

The square root of 383489137 is about 19582.8786698994. The cubic root of 383489137 is about 726.5257678122.

The spelling of 383489137 in words is "three hundred eighty-three million, four hundred eighty-nine thousand, one hundred thirty-seven".