49328028 has 72 divisors (see below), whose sum is σ = 136165120. Its totient is φ = 15571440.

The previous prime is 49328023. The next prime is 49328029. The reversal of 49328028 is 82082394.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 49327983 and 49328001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49328023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17133 + ... + 19803.

Almost surely, 2^49328028 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 49328028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68082560).

49328028 is an abundant number, since it is smaller than the sum of its proper divisors (86837092).

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

49328028 is a wasteful number, since it uses less digits than its factorization.

49328028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 49328028 is about 7023.3914884477. The cubic root of 49328028 is about 366.7453234377.

The spelling of 49328028 in words is "forty-nine million, three hundred twenty-eight thousand, twenty-eight".