1165017828 has 24 divisors (see below), whose sum is σ = 2927481088. Its totient is φ = 358466976.

The previous prime is 1165017817. The next prime is 1165017869. The reversal of 1165017828 is 8287105611.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3733876 + ... + 3734187.

Almost surely, 2^1165017828 is an apocalyptic number.

It is an amenable number.

1165017828 is an abundant number, since it is smaller than the sum of its proper divisors (1762463260).

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

1165017828 is a wasteful number, since it uses less digits than its factorization.

1165017828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7468083 (or 7468081 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 39.

The square root of 1165017828 is about 34132.3574925612. The cubic root of 1165017828 is about 1052.2304296996.

The spelling of 1165017828 in words is "one billion, one hundred sixty-five million, seventeen thousand, eight hundred twenty-eight".