49389317 has 6 divisors (see below), whose sum is σ = 49858578. Its totient is φ = 48924432.

The previous prime is 49389287. The next prime is 49389331. The reversal of 49389317 is 71398394.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 14508481 + 34880836 = 3809^2 + 5906^2 .

It is not a de Polignac number, because 49389317 - 2⁶ = 49389253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49389397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9803 + ... + 13959.

It is an arithmetic number, because the mean of its divisors is an integer number (8309763).

Almost surely, 2^49389317 is an apocalyptic number.

It is an amenable number.

49389317 is a deficient number, since it is larger than the sum of its proper divisors (469261).

49389317 is an equidigital number, since it uses as much as digits as its factorization.

49389317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375 (or 4266 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 49389317 is about 7027.7533394393. The cubic root of 49389317 is about 366.8971515985.

The spelling of 49389317 in words is "forty-nine million, three hundred eighty-nine thousand, three hundred seventeen".