1028343580 has 24 divisors (see below), whose sum is σ = 2355842160. Its totient is φ = 373943040.

The previous prime is 1028343499. The next prime is 1028343599. The reversal of 1028343580 is 853438201.

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 7 ways as a sum of consecutive naturals, for example, 2336925 + ... + 2337364.

It is an arithmetic number, because the mean of its divisors is an integer number (98160090).

Almost surely, 2^1028343580 is an apocalyptic number.

1028343580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1028343580 is an abundant number, since it is smaller than the sum of its proper divisors (1327498580).

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

1028343580 is a wasteful number, since it uses less digits than its factorization.

1028343580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674309 (or 4674307 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 1028343580 is about 32067.7966190382. The cubic root of 1028343580 is about 1009.3599774816.

The spelling of 1028343580 in words is "one billion, twenty-eight million, three hundred forty-three thousand, five hundred eighty".