4999898 has 4 divisors (see below), whose sum is σ = 7499850. Its totient is φ = 2499948.

The previous prime is 4999889. The next prime is 4999913. The reversal of 4999898 is 8989994.

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., 4853209 + 146689 = 2203^2 + 383^2 .

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, 1249973 + ... + 1249976.

Almost surely, 2^4999898 is an apocalyptic number.

4999898 is a deficient number, since it is larger than the sum of its proper divisors (2499952).

4999898 is a wasteful number, since it uses less digits than its factorization.

4999898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499951.

The product of its digits is 1679616, while the sum is 56.

The square root of 4999898 is about 2236.0451694901. The cubic root of 4999898 is about 170.9964318761.

The spelling of 4999898 in words is "four million, nine hundred ninety-nine thousand, eight hundred ninety-eight".