4491782 has 8 divisors (see below), whose sum is σ = 6823200. Its totient is φ = 2217384.

The previous prime is 4491769. The next prime is 4491787. The reversal of 4491782 is 2871944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4491782² = 40352211071048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14057 + ... + 14372.

It is an arithmetic number, because the mean of its divisors is an integer number (852900).

Almost surely, 2^4491782 is an apocalyptic number.

4491782 is a deficient number, since it is larger than the sum of its proper divisors (2331418).

4491782 is a wasteful number, since it uses less digits than its factorization.

4491782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28510.

The product of its digits is 16128, while the sum is 35.

The square root of 4491782 is about 2119.3824572266. The cubic root of 4491782 is about 164.9958003216.

The spelling of 4491782 in words is "four million, four hundred ninety-one thousand, seven hundred eighty-two".