491752 has 8 divisors (see below), whose sum is σ = 922050. Its totient is φ = 245872.

The previous prime is 491747. The next prime is 491773. The reversal of 491752 is 257194.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 320356 + 171396 = 566^2 + 414^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 491752.

It is an unprimeable number.

491752 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30727 + ... + 30742.

2⁴⁹¹⁷⁵² is an apocalyptic number.

It is an amenable number.

491752 is a deficient number, since it is larger than the sum of its proper divisors (430298).

491752 is a wasteful number, since it uses less digits than its factorization.

491752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61475 (or 61471 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 491752 is about 701.2503119429. The cubic root of 491752 is about 78.9312011182.

The spelling of 491752 in words is "four hundred ninety-one thousand, seven hundred fifty-two".