49391492 has 12 divisors (see below), whose sum is σ = 86519580. Its totient is φ = 24671616.

The previous prime is 49391491. The next prime is 49391561. The reversal of 49391492 is 29419394.

49391492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 26790976 + 22600516 = 5176^2 + 4754^2 .

It is not an unprimeable number, because it can be changed into a prime (49391491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953 + ... + 9984.

It is an arithmetic number, because the mean of its divisors is an integer number (7209965).

Almost surely, 2^49391492 is an apocalyptic number.

It is an amenable number.

49391492 is a deficient number, since it is larger than the sum of its proper divisors (37128088).

49391492 is a wasteful number, since it uses less digits than its factorization.

49391492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12070 (or 12068 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 49391492 is about 7027.9080813568. The cubic root of 49391492 is about 366.9025373083.

The spelling of 49391492 in words is "forty-nine million, three hundred ninety-one thousand, four hundred ninety-two".