4945591 has 8 divisors (see below), whose sum is σ = 5685120. Its totient is φ = 4214328.

The previous prime is 4945579. The next prime is 4945597. The reversal of 4945591 is 1955494.

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

It is a cyclic number.

It is not a de Polignac number, because 4945591 - 2¹³ = 4937399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4945591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4945597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721 + ... + 3226.

It is an arithmetic number, because the mean of its divisors is an integer number (710640).

Almost surely, 2^4945591 is an apocalyptic number.

4945591 is a deficient number, since it is larger than the sum of its proper divisors (739529).

4945591 is a wasteful number, since it uses less digits than its factorization.

4945591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4133.

The product of its digits is 32400, while the sum is 37.

The square root of 4945591 is about 2223.8684763268. The cubic root of 4945591 is about 170.3750772656.

The spelling of 4945591 in words is "four million, nine hundred forty-five thousand, five hundred ninety-one".