4991170 has 8 divisors (see below), whose sum is σ = 8984124. Its totient is φ = 1996464.

The previous prime is 4991159. The next prime is 4991171. The reversal of 4991170 is 711994.

It can be written as a sum of positive squares in 2 ways, for example, as 4239481 + 751689 = 2059^2 + 867^2 .

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 (4991171) 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, 249549 + ... + 249568.

Almost surely, 2^4991170 is an apocalyptic number.

4991170 is a deficient number, since it is larger than the sum of its proper divisors (3992954).

4991170 is a wasteful number, since it uses less digits than its factorization.

4991170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499124.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 4991170 is about 2234.0926569863. The cubic root of 4991170 is about 170.8968747699.

It can be divided in two parts, 49 and 91170, that added together give a palindrome (91219).

The spelling of 4991170 in words is "four million, nine hundred ninety-one thousand, one hundred seventy".