48939744 has 96 divisors (see below), whose sum is σ = 154586880. Its totient is φ = 13243392.

The previous prime is 48939743. The next prime is 48939749. The reversal of 48939744 is 44793984.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 48939693 and 48939702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48939743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10852 + ... + 14684.

It is an arithmetic number, because the mean of its divisors is an integer number (1610280).

Almost surely, 2^48939744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48939744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77293440).

48939744 is an abundant number, since it is smaller than the sum of its proper divisors (105647136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48939744 is a wasteful number, since it uses less digits than its factorization.

48939744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872 (or 3864 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 48939744 is about 6995.6946760132. The cubic root of 48939744 is about 365.7805127923.

Subtracting from 48939744 its reverse (44793984), we obtain a triangular number (4145760 = T₂₈₇₉).

The spelling of 48939744 in words is "forty-eight million, nine hundred thirty-nine thousand, seven hundred forty-four".