49421398 has 16 divisors (see below), whose sum is σ = 80163216. Its totient is φ = 22716000.

The previous prime is 49421369. The next prime is 49421401. The reversal of 49421398 is 89312494.

49421398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 49421398.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2740 + ... + 10312.

It is an arithmetic number, because the mean of its divisors is an integer number (5010201).

Almost surely, 2^49421398 is an apocalyptic number.

49421398 is a deficient number, since it is larger than the sum of its proper divisors (30741818).

49421398 is a wasteful number, since it uses less digits than its factorization.

49421398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839.

The product of its digits is 62208, while the sum is 40.

The square root of 49421398 is about 7030.0354195409. The cubic root of 49421398 is about 366.9765741717.

The spelling of 49421398 in words is "forty-nine million, four hundred twenty-one thousand, three hundred ninety-eight".