49439443 has 8 divisors (see below), whose sum is σ = 51667200. Its totient is φ = 47218248.

The previous prime is 49439431. The next prime is 49439447. The reversal of 49439443 is 34493494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49439443 - 2¹³ = 49431251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49439396 and 49439405.

It is not an unprimeable number, because it can be changed into a prime (49439447) 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, 19968 + ... + 22306.

It is an arithmetic number, because the mean of its divisors is an integer number (6458400).

Almost surely, 2^49439443 is an apocalyptic number.

49439443 is a deficient number, since it is larger than the sum of its proper divisors (2227757).

49439443 is a wasteful number, since it uses less digits than its factorization.

49439443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281.

The product of its digits is 186624, while the sum is 40.

The square root of 49439443 is about 7031.3187241086. The cubic root of 49439443 is about 367.0212328738.

The spelling of 49439443 in words is "forty-nine million, four hundred thirty-nine thousand, four hundred forty-three".