4991499 has 6 divisors (see below), whose sum is σ = 7209956. Its totient is φ = 3327660.

The previous prime is 4991491. The next prime is 4991507. The reversal of 4991499 is 9941994.

It is an interprime number because it is at equal distance from previous prime (4991491) and next prime (4991507).

It is not a de Polignac number, because 4991499 - 2³ = 4991491 is a prime.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 277297 + ... + 277314.

Almost surely, 2^4991499 is an apocalyptic number.

4991499 is a deficient number, since it is larger than the sum of its proper divisors (2218457).

4991499 is a wasteful number, since it uses less digits than its factorization.

4991499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554617 (or 554614 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 4991499 is about 2234.1662874549. The cubic root of 4991499 is about 170.9006296568.

The spelling of 4991499 in words is "four million, nine hundred ninety-one thousand, four hundred ninety-nine".