1028660343 has 12 divisors (see below), whose sum is σ = 1389153528. Its totient is φ = 677080560.

The previous prime is 1028660329. The next prime is 1028660371. The reversal of 1028660343 is 3430668201.

It is not a de Polignac number, because 1028660343 - 2⁹ = 1028659831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028660543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8748 + ... + 46193.

It is an arithmetic number, because the mean of its divisors is an integer number (115762794).

Almost surely, 2^1028660343 is an apocalyptic number.

1028660343 is a deficient number, since it is larger than the sum of its proper divisors (360493185).

1028660343 is an frugal number, since it uses more digits than its factorization.

1028660343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55102 (or 55023 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 1028660343 is about 32072.7351967368. The cubic root of 1028660343 is about 1009.4636053214.

The spelling of 1028660343 in words is "one billion, twenty-eight million, six hundred sixty thousand, three hundred forty-three".