49684691 has 16 divisors (see below), whose sum is σ = 58290624. Its totient is φ = 41468544.

The previous prime is 49684643. The next prime is 49684699. The reversal of 49684691 is 19648694.

It is a happy number.

49684691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49684691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49684699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57821 + ... + 58673.

It is an arithmetic number, because the mean of its divisors is an integer number (3643164).

Almost surely, 2^49684691 is an apocalyptic number.

49684691 is a deficient number, since it is larger than the sum of its proper divisors (8605933).

49684691 is a wasteful number, since it uses less digits than its factorization.

49684691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070.

The product of its digits is 373248, while the sum is 47.

The square root of 49684691 is about 7048.7368371929. The cubic root of 49684691 is about 367.6271107648.

The spelling of 49684691 in words is "forty-nine million, six hundred eighty-four thousand, six hundred ninety-one".