49876439 has 4 divisors (see below), whose sum is σ = 49900656. Its totient is φ = 49852224.

The previous prime is 49876423. The next prime is 49876451. The reversal of 49876439 is 93467894.

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

It is a cyclic number.

It is not a de Polignac number, because 49876439 - 2⁴ = 49876423 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 (49876469) 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, 8699 + ... + 13244.

It is an arithmetic number, because the mean of its divisors is an integer number (12475164).

Almost surely, 2^49876439 is an apocalyptic number.

49876439 is a deficient number, since it is larger than the sum of its proper divisors (24217).

49876439 is a wasteful number, since it uses less digits than its factorization.

49876439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24216.

The product of its digits is 1306368, while the sum is 50.

The square root of 49876439 is about 7062.3253252735. The cubic root of 49876439 is about 368.0994311305.

The spelling of 49876439 in words is "forty-nine million, eight hundred seventy-six thousand, four hundred thirty-nine".