499444994 has 4 divisors (see below), whose sum is σ = 749167494. Its totient is φ = 249722496.

The previous prime is 499444993. The next prime is 499445017.

It is a happy number.

499444994 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 497869969 + 1575025 = 22313^2 + 1255^2 .

It is not an unprimeable number, because it can be changed into a prime (499444991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124861247 + ... + 124861250.

Almost surely, 2^499444994 is an apocalyptic number.

499444994 is a deficient number, since it is larger than the sum of its proper divisors (249722500).

499444994 is a wasteful number, since it uses less digits than its factorization.

499444994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249722499.

The product of its digits is 6718464, while the sum is 56.

The square root of 499444994 is about 22348.2660177473. The cubic root of 499444994 is about 793.4067448877.

The spelling of 499444994 in words is "four hundred ninety-nine million, four hundred forty-four thousand, nine hundred ninety-four".