4989994 has 8 divisors (see below), whose sum is σ = 7506180. Its totient is φ = 2487936.

The previous prime is 4989991. The next prime is 4989997. The reversal of 4989994 is 4999894.

It is an interprime number because it is at equal distance from previous prime (4989991) and next prime (4989997).

It can be written as a sum of positive squares in 2 ways, for example, as 4782969 + 207025 = 2187^2 + 455^2 .

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 (4989991) 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, 2599 + ... + 4090.

Almost surely, 2^4989994 is an apocalyptic number.

4989994 is a deficient number, since it is larger than the sum of its proper divisors (2516186).

4989994 is a wasteful number, since it uses less digits than its factorization.

4989994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7064.

The product of its digits is 839808, while the sum is 52.

The square root of 4989994 is about 2233.8294473840. The cubic root of 4989994 is about 170.8834516973.

The spelling of 4989994 in words is "four million, nine hundred eighty-nine thousand, nine hundred ninety-four".