2928398172 has 96 divisors (see below), whose sum is σ = 8437363200. Its totient is φ = 787449600.

The previous prime is 2928398159. The next prime is 2928398177. The reversal of 2928398172 is 2718938292.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928398177) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 49047 + ... + 90897.

It is an arithmetic number, because the mean of its divisors is an integer number (87889200).

Almost surely, 2^2928398172 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 2928398172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4218681600).

2928398172 is an abundant number, since it is smaller than the sum of its proper divisors (5508965028).

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

2928398172 is a wasteful number, since it uses less digits than its factorization.

2928398172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41896 (or 41880 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 2928398172 is about 54114.6761239500. The cubic root of 2928398172 is about 1430.6828648891.

The spelling of 2928398172 in words is "two billion, nine hundred twenty-eight million, three hundred ninety-eight thousand, one hundred seventy-two".