1028328470 has 96 divisors (see below), whose sum is σ = 2146386816. Its totient is φ = 352512000.

The previous prime is 1028328467. The next prime is 1028328479. The reversal of 1028328470 is 748238201.

It is a self number, because there is not a number n which added to its sum of digits gives 1028328470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028328479) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3794435 + ... + 3794705.

It is an arithmetic number, because the mean of its divisors is an integer number (22358196).

Almost surely, 2^1028328470 is an apocalyptic number.

1028328470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1028328470 is an abundant number, since it is smaller than the sum of its proper divisors (1118058346).

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

1028328470 is a wasteful number, since it uses less digits than its factorization.

1028328470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 1028328470 is about 32067.5610235640. The cubic root of 1028328470 is about 1009.3550337694.

The spelling of 1028328470 in words is "one billion, twenty-eight million, three hundred twenty-eight thousand, four hundred seventy".