1028956734 has 96 divisors (see below), whose sum is σ = 2466041760. Its totient is φ = 308116224.

The previous prime is 1028956711. The next prime is 1028956783. The reversal of 1028956734 is 4376598201.

1028956734 is a `hidden beast` number, since 1 + 0 + 2 + 89 + 567 + 3 + 4 = 666.

1028956734 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

1028956734 is strictly pandigital in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1028956734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2021272 + ... + 2021780.

It is an arithmetic number, because the mean of its divisors is an integer number (25687935).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1028956734 = 2057913468, but 3⋅1028956734 = 3086870202 is not.

Almost surely, 2^1028956734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028956734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1233020880).

1028956734 is an abundant number, since it is smaller than the sum of its proper divisors (1437085026).

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

1028956734 is a wasteful number, since it uses less digits than its factorization.

1028956734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1028956734 is about 32077.3554707990. The cubic root of 1028956734 is about 1009.5605492731.

The spelling of 1028956734 in words is "one billion, twenty-eight million, nine hundred fifty-six thousand, seven hundred thirty-four".