1028855498 has 24 divisors (see below), whose sum is σ = 1705294080. Its totient is φ = 465192200.

The previous prime is 1028855483. The next prime is 1028855501. The reversal of 1028855498 is 8945588201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35093 + ... + 57351.

It is an arithmetic number, because the mean of its divisors is an integer number (71053920).

Almost surely, 2^1028855498 is an apocalyptic number.

1028855498 is a deficient number, since it is larger than the sum of its proper divisors (676438582).

1028855498 is a wasteful number, since it uses less digits than its factorization.

1028855498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22474 (or 22463 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 50.

The square root of 1028855498 is about 32075.7774340701. Note that the first 3 decimals coincide. The cubic root of 1028855498 is about 1009.5274389649.

The spelling of 1028855498 in words is "one billion, twenty-eight million, eight hundred fifty-five thousand, four hundred ninety-eight".