4991494 has 8 divisors (see below), whose sum is σ = 7646688. Its totient is φ = 2442600.

The previous prime is 4991491. The next prime is 4991507. The reversal of 4991494 is 4941994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991491) 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, 26457 + ... + 26644.

It is an arithmetic number, because the mean of its divisors is an integer number (955836).

Almost surely, 2^4991494 is an apocalyptic number.

4991494 is a deficient number, since it is larger than the sum of its proper divisors (2655194).

4991494 is a wasteful number, since it uses less digits than its factorization.

4991494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53150.

The product of its digits is 46656, while the sum is 40.

The square root of 4991494 is about 2234.1651684690. The cubic root of 4991494 is about 170.9005725929.

The spelling of 4991494 in words is "four million, nine hundred ninety-one thousand, four hundred ninety-four".