4991834 has 8 divisors (see below), whose sum is σ = 7502868. Its totient is φ = 2490880.

The previous prime is 4991803. The next prime is 4991839. The reversal of 4991834 is 4381994.

It can be written as a sum of positive squares in 2 ways, for example, as 4950625 + 41209 = 2225^2 + 203^2 .

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 (4991839) 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 3 ways as a sum of consecutive naturals, for example, 1127 + ... + 3354.

Almost surely, 2^4991834 is an apocalyptic number.

4991834 is a deficient number, since it is larger than the sum of its proper divisors (2511034).

4991834 is a wasteful number, since it uses less digits than its factorization.

4991834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040.

The product of its digits is 31104, while the sum is 38.

The square root of 4991834 is about 2234.2412582351. The cubic root of 4991834 is about 170.9044528523.

The spelling of 4991834 in words is "four million, nine hundred ninety-one thousand, eight hundred thirty-four".