49319928 has 160 divisors (see below), whose sum is σ = 160997760. Its totient is φ = 13815360.

The previous prime is 49319917. The next prime is 49319969. The reversal of 49319928 is 82991394.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 376423 + ... + 376553.

It is an arithmetic number, because the mean of its divisors is an integer number (1006236).

Almost surely, 2^49319928 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 49319928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80498880).

49319928 is an abundant number, since it is smaller than the sum of its proper divisors (111677832).

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

49319928 is a wasteful number, since it uses less digits than its factorization.

49319928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 226 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 49319928 is about 7022.8148202840. The cubic root of 49319928 is about 366.7252483076.

The spelling of 49319928 in words is "forty-nine million, three hundred nineteen thousand, nine hundred twenty-eight".