49389644 has 12 divisors (see below), whose sum is σ = 87225600. Its totient is φ = 24468048.

The previous prime is 49389631. The next prime is 49389647. The reversal of 49389644 is 44698394.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (49389647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56204 + ... + 57075.

It is an arithmetic number, because the mean of its divisors is an integer number (7268800).

Almost surely, 2^49389644 is an apocalyptic number.

It is an amenable number.

49389644 is a deficient number, since it is larger than the sum of its proper divisors (37835956).

49389644 is a wasteful number, since it uses less digits than its factorization.

49389644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113392 (or 113390 counting only the distinct ones).

The product of its digits is 746496, while the sum is 47.

The square root of 49389644 is about 7027.7766043038. The cubic root of 49389644 is about 366.8979613222.

The spelling of 49389644 in words is "forty-nine million, three hundred eighty-nine thousand, six hundred forty-four".