49686329 has 16 divisors (see below), whose sum is σ = 62877696. Its totient is φ = 38134800.

The previous prime is 49686313. The next prime is 49686347. The reversal of 49686329 is 92368694.

It is not a de Polignac number, because 49686329 - 2⁴ = 49686313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49686029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344 + ... + 9974.

It is an arithmetic number, because the mean of its divisors is an integer number (3929856).

Almost surely, 2^49686329 is an apocalyptic number.

It is an amenable number.

49686329 is a deficient number, since it is larger than the sum of its proper divisors (13191367).

49686329 is a wasteful number, since it uses less digits than its factorization.

49686329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9716.

The product of its digits is 559872, while the sum is 47.

The square root of 49686329 is about 7048.8530272662. The cubic root of 49686329 is about 367.6311506852.

The spelling of 49686329 in words is "forty-nine million, six hundred eighty-six thousand, three hundred twenty-nine".