49239117 has 8 divisors (see below), whose sum is σ = 72946880. Its totient is φ = 32826060.

The previous prime is 49239103. The next prime is 49239121. The reversal of 49239117 is 71193294.

It is not a de Polignac number, because 49239117 - 2⁷ = 49238989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49239917) 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, 911809 + ... + 911862.

It is an arithmetic number, because the mean of its divisors is an integer number (9118360).

Almost surely, 2^49239117 is an apocalyptic number.

It is an amenable number.

49239117 is a deficient number, since it is larger than the sum of its proper divisors (23707763).

49239117 is a wasteful number, since it uses less digits than its factorization.

49239117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823680 (or 1823674 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 49239117 is about 7017.0589993244. The cubic root of 49239117 is about 366.5248449687.

The spelling of 49239117 in words is "forty-nine million, two hundred thirty-nine thousand, one hundred seventeen".