1017158828 has 24 divisors (see below), whose sum is σ = 2072704032. Its totient is φ = 427699584.

The previous prime is 1017158809. The next prime is 1017158833. The reversal of 1017158828 is 8288517101.

It is a super-2 number, since 2×1017158828² = 2069224162756667168, which contains 22 as substring.

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, 341225 + ... + 344192.

It is an arithmetic number, because the mean of its divisors is an integer number (86362668).

Almost surely, 2^1017158828 is an apocalyptic number.

It is an amenable number.

1017158828 is an abundant number, since it is smaller than the sum of its proper divisors (1055545204).

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

1017158828 is a wasteful number, since it uses less digits than its factorization.

1017158828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685481 (or 685479 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 41.

The square root of 1017158828 is about 31892.9275545535. The cubic root of 1017158828 is about 1005.6872037309.

The spelling of 1017158828 in words is "one billion, seventeen million, one hundred fifty-eight thousand, eight hundred twenty-eight".