4990689 has 12 divisors (see below), whose sum is σ = 7864272. Its totient is φ = 3024600.

The previous prime is 4990679. The next prime is 4990693. The reversal of 4990689 is 9860994.

It is not a de Polignac number, because 4990689 - 2⁹ = 4990177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4990649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25107 + ... + 25304.

It is an arithmetic number, because the mean of its divisors is an integer number (655356).

Almost surely, 2^4990689 is an apocalyptic number.

It is an amenable number.

4990689 is a deficient number, since it is larger than the sum of its proper divisors (2873583).

4990689 is a wasteful number, since it uses less digits than its factorization.

4990689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50428 (or 50425 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 4990689 is about 2233.9850044259. The cubic root of 4990689 is about 170.8913848054.

The spelling of 4990689 in words is "four million, nine hundred ninety thousand, six hundred eighty-nine".