4581992 has 8 divisors (see below), whose sum is σ = 8591250. Its totient is φ = 2290992.

The previous prime is 4581977. The next prime is 4582049. The reversal of 4581992 is 2991854.

It can be written as a sum of positive squares in only one way, i.e., 3818116 + 763876 = 1954^2 + 874^2 .

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

It is a d-powerful number, because it can be written as 4⁴ + 5⁹ + 8 + 1 + 9 + 9⁶ + 2²¹ .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 286367 + ... + 286382.

Almost surely, 2^4581992 is an apocalyptic number.

It is an amenable number.

4581992 is a deficient number, since it is larger than the sum of its proper divisors (4009258).

4581992 is a wasteful number, since it uses less digits than its factorization.

4581992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572755 (or 572751 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 4581992 is about 2140.5588055459. The cubic root of 4581992 is about 166.0930431122.

The spelling of 4581992 in words is "four million, five hundred eighty-one thousand, nine hundred ninety-two".