49191844 has 36 divisors (see below), whose sum is σ = 95045076. Its totient is φ = 22259328.

The previous prime is 49191839. The next prime is 49191847. The reversal of 49191844 is 44819194.

It can be written as a sum of positive squares in 6 ways, for example, as 191844 + 49000000 = 438^2 + 7000^2 .

It is a super-2 number, since 2×49191844² = 4839675032240672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49191797 and 49191806.

It is not an unprimeable number, because it can be changed into a prime (49191847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35142 + ... + 36514.

It is an arithmetic number, because the mean of its divisors is an integer number (2640141).

Almost surely, 2^49191844 is an apocalyptic number.

It is an amenable number.

49191844 is a deficient number, since it is larger than the sum of its proper divisors (45853232).

49191844 is a wasteful number, since it uses less digits than its factorization.

49191844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456 (or 1441 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 49191844 is about 7013.6897564691. The cubic root of 49191844 is about 366.4075109061.

It can be divided in two parts, 49 and 191844, that multiplied together give a square (9400356 = 3066²).

The spelling of 49191844 in words is "forty-nine million, one hundred ninety-one thousand, eight hundred forty-four".