49243646 has 4 divisors (see below), whose sum is σ = 73865472. Its totient is φ = 24621822.

The previous prime is 49243627. The next prime is 49243697. The reversal of 49243646 is 64634294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64634294 = 2 ⋅32317147.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12310910 + ... + 12310913.

It is an arithmetic number, because the mean of its divisors is an integer number (18466368).

Almost surely, 2^49243646 is an apocalyptic number.

49243646 is a deficient number, since it is larger than the sum of its proper divisors (24621826).

49243646 is a wasteful number, since it uses less digits than its factorization.

49243646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24621825.

The product of its digits is 124416, while the sum is 38.

The square root of 49243646 is about 7017.3817054511. The cubic root of 49243646 is about 366.5360822412.

The spelling of 49243646 in words is "forty-nine million, two hundred forty-three thousand, six hundred forty-six".