49684 has 6 divisors (see below), whose sum is σ = 86954. Its totient is φ = 24840.

The previous prime is 49681. The next prime is 49697. The reversal of 49684 is 48694.

It can be written as a sum of positive squares in only one way, i.e., 49284 + 400 = 222^2 + 20^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6207 + ... + 6214.

2⁴⁹⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

49684 is a deficient number, since it is larger than the sum of its proper divisors (37270).

49684 is a wasteful number, since it uses less digits than its factorization.

49684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12425 (or 12423 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 49684 is about 222.8990803032. The cubic root of 49684 is about 36.7625406474.

Subtracting from 49684 its reverse (48694), we obtain a triangular number (990 = T₄₄).

The spelling of 49684 in words is "forty-nine thousand, six hundred eighty-four".