49839249 has 8 divisors (see below), whose sum is σ = 66486112. Its totient is φ = 33209280.

The previous prime is 49839241. The next prime is 49839253. The reversal of 49839249 is 94293894.

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

It is not a de Polignac number, because 49839249 - 2³ = 49839241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49839198 and 49839207.

It is not an unprimeable number, because it can be changed into a prime (49839241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6702 + ... + 12024.

It is an arithmetic number, because the mean of its divisors is an integer number (8310764).

Almost surely, 2^49839249 is an apocalyptic number.

It is an amenable number.

49839249 is a deficient number, since it is larger than the sum of its proper divisors (16646863).

49839249 is a wasteful number, since it uses less digits than its factorization.

49839249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8447.

The product of its digits is 559872, while the sum is 48.

The square root of 49839249 is about 7059.6918487991. The cubic root of 49839249 is about 368.0079181700.

The spelling of 49839249 in words is "forty-nine million, eight hundred thirty-nine thousand, two hundred forty-nine".