1028539294 has 16 divisors (see below), whose sum is σ = 1551187440. Its totient is φ = 511485120.

The previous prime is 1028539273. The next prime is 1028539301. The reversal of 1028539294 is 4929358201.

It is a self number, because there is not a number n which added to its sum of digits gives 1028539294.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303429 + ... + 306799.

It is an arithmetic number, because the mean of its divisors is an integer number (96949215).

Almost surely, 2^1028539294 is an apocalyptic number.

1028539294 is a deficient number, since it is larger than the sum of its proper divisors (522648146).

1028539294 is a wasteful number, since it uses less digits than its factorization.

1028539294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 1028539294 is about 32070.8480399256. The cubic root of 1028539294 is about 1009.4240071021.

The spelling of 1028539294 in words is "one billion, twenty-eight million, five hundred thirty-nine thousand, two hundred ninety-four".