49609 has 8 divisors (see below), whose sum is σ = 59840. Its totient is φ = 40176.

The previous prime is 49603. The next prime is 49613. The reversal of 49609 is 90694.

49609 = 16³ + 17³ + ... + 22³.

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

It is a cyclic number.

It is not a de Polignac number, because 49609 - 2⁷ = 49481 is a prime.

It is a super-2 number, since 2×49609² = 4922105762, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (49603) 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 7 ways as a sum of consecutive naturals, for example, 54 + ... + 319.

It is an arithmetic number, because the mean of its divisors is an integer number (7480).

2⁴⁹⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

49609 is a deficient number, since it is larger than the sum of its proper divisors (10231).

49609 is a wasteful number, since it uses less digits than its factorization.

49609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 49609 is about 222.7307791932. The cubic root of 49609 is about 36.7440331528.

The spelling of 49609 in words is "forty-nine thousand, six hundred nine".