49649446 has 72 divisors (see below), whose sum is σ = 98249760. Its totient is φ = 18738720.

The previous prime is 49649441. The next prime is 49649447. The reversal of 49649446 is 64494694.

It is a junction number, because it is equal to n+sod(n) for n = 49649396 and 49649405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49649441) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 628435 + ... + 628513.

It is an arithmetic number, because the mean of its divisors is an integer number (1364580).

Almost surely, 2^49649446 is an apocalyptic number.

49649446 is a deficient number, since it is larger than the sum of its proper divisors (48600314).

49649446 is a wasteful number, since it uses less digits than its factorization.

49649446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 152 counting only the distinct ones).

The product of its digits is 746496, while the sum is 46.

The square root of 49649446 is about 7046.2363003237. The cubic root of 49649446 is about 367.5401618995.

The spelling of 49649446 in words is "forty-nine million, six hundred forty-nine thousand, four hundred forty-six".