4991234 has 8 divisors (see below), whose sum is σ = 7927308. Its totient is φ = 2348800.

The previous prime is 4991201. The next prime is 4991237. The reversal of 4991234 is 4321994.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4190209 + 801025 = 2047^2 + 895^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 4991234.

It is not an unprimeable number, because it can be changed into a prime (4991237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73367 + ... + 73434.

Almost surely, 2^4991234 is an apocalyptic number.

4991234 is a deficient number, since it is larger than the sum of its proper divisors (2936074).

4991234 is a wasteful number, since it uses less digits than its factorization.

4991234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146820.

The product of its digits is 7776, while the sum is 32.

The square root of 4991234 is about 2234.1069804286. The cubic root of 4991234 is about 170.8976052167.

It can be divided in two parts, 4991 and 234, that added together give a palindrome (5225).

The spelling of 4991234 in words is "four million, nine hundred ninety-one thousand, two hundred thirty-four".