4890591 has 16 divisors (see below), whose sum is σ = 7480320. Its totient is φ = 3154680.

The previous prime is 4890563. The next prime is 4890593. The reversal of 4890591 is 1950984.

It is not a de Polignac number, because 4890591 - 2¹⁰ = 4889567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4890593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2085 + ... + 3758.

It is an arithmetic number, because the mean of its divisors is an integer number (467520).

Almost surely, 2^4890591 is an apocalyptic number.

4890591 is a deficient number, since it is larger than the sum of its proper divisors (2589729).

4890591 is a wasteful number, since it uses less digits than its factorization.

4890591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883 (or 5877 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 4890591 is about 2211.4680644314. The cubic root of 4890591 is about 169.7411400580.

The spelling of 4890591 in words is "four million, eight hundred ninety thousand, five hundred ninety-one".