49686247 has 8 divisors (see below), whose sum is σ = 53733680. Its totient is φ = 45671040.

The previous prime is 49686173. The next prime is 49686253. The reversal of 49686247 is 74268694.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49686247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49686197 and 49686206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49686347) 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, 4797 + ... + 11062.

It is an arithmetic number, because the mean of its divisors is an integer number (6716710).

Almost surely, 2^49686247 is an apocalyptic number.

49686247 is a deficient number, since it is larger than the sum of its proper divisors (4047433).

49686247 is a wasteful number, since it uses less digits than its factorization.

49686247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16113.

The product of its digits is 580608, while the sum is 46.

The square root of 49686247 is about 7048.8472107147. The cubic root of 49686247 is about 367.6309484447.

The spelling of 49686247 in words is "forty-nine million, six hundred eighty-six thousand, two hundred forty-seven".