491034588 has 24 divisors (see below), whose sum is σ = 1249906560. Its totient is φ = 148798320.

The previous prime is 491034571. The next prime is 491034589. The reversal of 491034588 is 885430194.

It is a super-2 number, since 2×491034588² = 482229933224659488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491034589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1859848 + ... + 1860111.

It is an arithmetic number, because the mean of its divisors is an integer number (52079440).

Almost surely, 2^491034588 is an apocalyptic number.

It is an amenable number.

491034588 is an abundant number, since it is smaller than the sum of its proper divisors (758871972).

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

491034588 is a wasteful number, since it uses less digits than its factorization.

491034588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719977 (or 3719975 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 491034588 is about 22159.3002597104. The cubic root of 491034588 is about 788.9279846113.

The spelling of 491034588 in words is "four hundred ninety-one million, thirty-four thousand, five hundred eighty-eight".