491593028 has 24 divisors (see below), whose sum is σ = 882338688. Its totient is φ = 239522976.

The previous prime is 491593001. The next prime is 491593031. The reversal of 491593028 is 820395194.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 76550 + ... + 82722.

It is an arithmetic number, because the mean of its divisors is an integer number (36764112).

Almost surely, 2^491593028 is an apocalyptic number.

It is an amenable number.

491593028 is a deficient number, since it is larger than the sum of its proper divisors (390745660).

491593028 is a wasteful number, since it uses less digits than its factorization.

491593028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6683 (or 6681 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 491593028 is about 22171.8972575646. The cubic root of 491593028 is about 789.2269466018.

The spelling of 491593028 in words is "four hundred ninety-one million, five hundred ninety-three thousand, twenty-eight".