49479 has 4 divisors (see below), whose sum is σ = 65976. Its totient is φ = 32984.

The previous prime is 49477. The next prime is 49481. The reversal of 49479 is 97494.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (49477) and next prime (49481).

It is a cyclic number.

It is not a de Polignac number, because 49479 - 2¹ = 49477 is a prime.

It is a D-number.

49479 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8244 + ... + 8249.

It is an arithmetic number, because the mean of its divisors is an integer number (16494).

2⁴⁹⁴⁷⁹ is an apocalyptic number.

49479 is a deficient number, since it is larger than the sum of its proper divisors (16497).

49479 is a wasteful number, since it uses less digits than its factorization.

49479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16496.

The product of its digits is 9072, while the sum is 33.

The square root of 49479 is about 222.4387556160. The cubic root of 49479 is about 36.7119092583.

It can be divided in two parts, 49 and 479, that added together give a triangular number (528 = T₃₂).

The spelling of 49479 in words is "forty-nine thousand, four hundred seventy-nine".