1028956896 has 108 divisors (see below), whose sum is σ = 3216396456. Its totient is φ = 311794560.

The previous prime is 1028956871. The next prime is 1028956927. The reversal of 1028956896 is 6986598201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20085 + ... + 49611.

Almost surely, 2^1028956896 is an apocalyptic number.

1028956896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028956896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608198228).

1028956896 is an abundant number, since it is smaller than the sum of its proper divisors (2187439560).

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

1028956896 is a wasteful number, since it uses less digits than its factorization.

1028956896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29565 (or 29543 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 1028956896 is about 32077.3579959447. The cubic root of 1028956896 is about 1009.5606022552.

The spelling of 1028956896 in words is "one billion, twenty-eight million, nine hundred fifty-six thousand, eight hundred ninety-six".