4491358 has 4 divisors (see below), whose sum is σ = 6737040. Its totient is φ = 2245678.

The previous prime is 4491341. The next prime is 4491359. The reversal of 4491358 is 8531944.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122838 + ... + 1122841.

It is an arithmetic number, because the mean of its divisors is an integer number (1684260).

Almost surely, 2^4491358 is an apocalyptic number.

4491358 is a deficient number, since it is larger than the sum of its proper divisors (2245682).

4491358 is a wasteful number, since it uses less digits than its factorization.

4491358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245681.

The product of its digits is 17280, while the sum is 34.

The square root of 4491358 is about 2119.2824257281. The cubic root of 4491358 is about 164.9906085870.

The spelling of 4491358 in words is "four million, four hundred ninety-one thousand, three hundred fifty-eight".