1028247384 has 64 divisors (see below), whose sum is σ = 2688480000. Its totient is φ = 327102336.

The previous prime is 1028247373. The next prime is 1028247439. The reversal of 1028247384 is 4837428201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273582 + ... + 277314.

It is an arithmetic number, because the mean of its divisors is an integer number (42007500).

Almost surely, 2^1028247384 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 1028247384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344240000).

1028247384 is an abundant number, since it is smaller than the sum of its proper divisors (1660232616).

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

1028247384 is a wasteful number, since it uses less digits than its factorization.

1028247384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264 (or 4260 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 1028247384 is about 32066.2966991825. The cubic root of 1028247384 is about 1009.3285031047.

The spelling of 1028247384 in words is "one billion, twenty-eight million, two hundred forty-seven thousand, three hundred eighty-four".