599404994 has 8 divisors (see below), whose sum is σ = 921037068. Its totient is φ = 292392640.

The previous prime is 599404991. The next prime is 599404999. The reversal of 599404994 is 499404995.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 576240025 + 23164969 = 24005^2 + 4813^2 .

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

It is not an unprimeable number, because it can be changed into a prime (599404991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3654827 + ... + 3654990.

Almost surely, 2^599404994 is an apocalyptic number.

599404994 is a deficient number, since it is larger than the sum of its proper divisors (321632074).

599404994 is a wasteful number, since it uses less digits than its factorization.

599404994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7309860.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 599404994 is about 24482.7489061175. The cubic root of 599404994 is about 843.1537689251.

Subtracting from 599404994 its reverse (499404995), we obtain a palindrome (99999999).

The spelling of 599404994 in words is "five hundred ninety-nine million, four hundred four thousand, nine hundred ninety-four".