4457982 has 32 divisors (see below), whose sum is σ = 9389952. Its totient is φ = 1409184.

The previous prime is 4457977. The next prime is 4457983. The reversal of 4457982 is 2897544.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4457982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4457983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9313 + ... + 9779.

It is an arithmetic number, because the mean of its divisors is an integer number (293436).

Almost surely, 2^4457982 is an apocalyptic number.

4457982 is an abundant number, since it is smaller than the sum of its proper divisors (4931970).

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

4457982 is a wasteful number, since it uses less digits than its factorization.

4457982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its digits is 80640, while the sum is 39.

The square root of 4457982 is about 2111.3933787904. The cubic root of 4457982 is about 164.5809015005.

The spelling of 4457982 in words is "four million, four hundred fifty-seven thousand, nine hundred eighty-two".