4519994 has 16 divisors (see below), whose sum is σ = 7374888. Its totient is φ = 2068992.

The previous prime is 4519993. The next prime is 4519997. The reversal of 4519994 is 4999154.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4464769 + 55225 = 2113^2 + 235^2 .

It is not an unprimeable number, because it can be changed into a prime (4519993) 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 7 ways as a sum of consecutive naturals, for example, 539 + ... + 3054.

Almost surely, 2^4519994 is an apocalyptic number.

4519994 is a deficient number, since it is larger than the sum of its proper divisors (2854894).

4519994 is a wasteful number, since it uses less digits than its factorization.

4519994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649.

The product of its digits is 58320, while the sum is 41.

The square root of 4519994 is about 2126.0277514652. The cubic root of 4519994 is about 165.3405150294.

The spelling of 4519994 in words is "four million, five hundred nineteen thousand, nine hundred ninety-four".