49309748 has 12 divisors (see below), whose sum is σ = 87474660. Its totient is φ = 24316992.

The previous prime is 49309717. The next prime is 49309751. The reversal of 49309748 is 84790394.

It can be written as a sum of positive squares in 2 ways, for example, as 15460624 + 33849124 = 3932^2 + 5818^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49309699 and 49309708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84143 + ... + 84726.

It is an arithmetic number, because the mean of its divisors is an integer number (7289555).

Almost surely, 2^49309748 is an apocalyptic number.

It is an amenable number.

49309748 is a deficient number, since it is larger than the sum of its proper divisors (38164912).

49309748 is a wasteful number, since it uses less digits than its factorization.

49309748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168946 (or 168944 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 49309748 is about 7022.0900022714. The cubic root of 49309748 is about 366.7000149650.

The spelling of 49309748 in words is "forty-nine million, three hundred nine thousand, seven hundred forty-eight".