4999491 has 12 divisors (see below), whose sum is σ = 8253232. Its totient is φ = 2856816.

The previous prime is 4999469. The next prime is 4999493. The reversal of 4999491 is 1949994.

4999491 = T₅₉₅ + T₅₉₆ + ... + T₆₂₁.

It is not a de Polignac number, because 4999491 - 2⁶ = 4999427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4999493) 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, 39616 + ... + 39741.

Almost surely, 2^4999491 is an apocalyptic number.

4999491 is a deficient number, since it is larger than the sum of its proper divisors (3253741).

4999491 is a wasteful number, since it uses less digits than its factorization.

4999491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79370 (or 79367 counting only the distinct ones).

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

The square root of 4999491 is about 2235.9541587430. The cubic root of 4999491 is about 170.9917919524.

It can be divided in two parts, 49994 and 91, that multiplied together give a palindrome (4549454).

The spelling of 4999491 in words is "four million, nine hundred ninety-nine thousand, four hundred ninety-one".