49169239 has 16 divisors (see below), whose sum is σ = 60664320. Its totient is φ = 38918880.

The previous prime is 49169227. The next prime is 49169249. The reversal of 49169239 is 93296194.

It is not a de Polignac number, because 49169239 - 2⁹ = 49168727 is a prime.

It is a super-2 number, since 2×49169239² = 4835228127678242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49169195 and 49169204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49169249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597 + ... + 9934.

It is an arithmetic number, because the mean of its divisors is an integer number (3791520).

Almost surely, 2^49169239 is an apocalyptic number.

49169239 is a deficient number, since it is larger than the sum of its proper divisors (11495081).

49169239 is a wasteful number, since it uses less digits than its factorization.

49169239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10590.

The product of its digits is 104976, while the sum is 43.

The square root of 49169239 is about 7012.0780799988. The cubic root of 49169239 is about 366.3513775438.

The spelling of 49169239 in words is "forty-nine million, one hundred sixty-nine thousand, two hundred thirty-nine".