4994890 has 16 divisors (see below), whose sum is σ = 9025632. Its totient is φ = 1990224.

The previous prime is 4994851. The next prime is 4994897. The reversal of 4994890 is 984994.

It is a super-2 number, since 2×4994890² = 49897852224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4994897) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2257 + ... + 3883.

It is an arithmetic number, because the mean of its divisors is an integer number (564102).

Almost surely, 2^4994890 is an apocalyptic number.

4994890 is a deficient number, since it is larger than the sum of its proper divisors (4030742).

4994890 is a wasteful number, since it uses less digits than its factorization.

4994890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 4994890 is about 2234.9250546719. The cubic root of 4994890 is about 170.9393216309.

The spelling of 4994890 in words is "four million, nine hundred ninety-four thousand, eight hundred ninety".