49686471 has 12 divisors (see below), whose sum is σ = 71832072. Its totient is φ = 33095376.

The previous prime is 49686467. The next prime is 49686517. The reversal of 49686471 is 17468694.

It is not a de Polignac number, because 49686471 - 2² = 49686467 is a prime.

It is a super-3 number, since 3×49686471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49686401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15325 + ... + 18281.

It is an arithmetic number, because the mean of its divisors is an integer number (5986006).

Almost surely, 2^49686471 is an apocalyptic number.

49686471 is a deficient number, since it is larger than the sum of its proper divisors (22145601).

49686471 is a wasteful number, since it uses less digits than its factorization.

49686471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830 (or 4827 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 49686471 is about 7048.8630998197. The cubic root of 49686471 is about 367.6315009061.

The spelling of 49686471 in words is "forty-nine million, six hundred eighty-six thousand, four hundred seventy-one".