49428646 has 4 divisors (see below), whose sum is σ = 74142972. Its totient is φ = 24714322.

The previous prime is 49428637. The next prime is 49428683. The reversal of 49428646 is 64682494.

49428646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64682494 = 2 ⋅32341247.

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 as a sum of consecutive naturals, namely, 12357160 + ... + 12357163.

It is an arithmetic number, because the mean of its divisors is an integer number (18535743).

Almost surely, 2^49428646 is an apocalyptic number.

49428646 is a deficient number, since it is larger than the sum of its proper divisors (24714326).

49428646 is a wasteful number, since it uses less digits than its factorization.

49428646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24714325.

The product of its digits is 331776, while the sum is 43.

The square root of 49428646 is about 7030.5509030232. The cubic root of 49428646 is about 366.9945132041.

The spelling of 49428646 in words is "forty-nine million, four hundred twenty-eight thousand, six hundred forty-six".