49721396 has 48 divisors (see below), whose sum is σ = 96445440. Its totient is φ = 22325760.

The previous prime is 49721383. The next prime is 49721407. The reversal of 49721396 is 69312794.

49721396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 217010 + ... + 217238.

It is an arithmetic number, because the mean of its divisors is an integer number (2009280).

Almost surely, 2^49721396 is an apocalyptic number.

It is an amenable number.

49721396 is a deficient number, since it is larger than the sum of its proper divisors (46724044).

49721396 is a wasteful number, since it uses less digits than its factorization.

49721396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 382 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 49721396 is about 7051.3400144937. The cubic root of 49721396 is about 367.7176177286.

The spelling of 49721396 in words is "forty-nine million, seven hundred twenty-one thousand, three hundred ninety-six".