4591864 has 16 divisors (see below), whose sum is σ = 8696520. Its totient is φ = 2272800.

The previous prime is 4591861. The next prime is 4591871. The reversal of 4591864 is 4681954.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4591861) 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, 2034 + ... + 3649.

Almost surely, 2^4591864 is an apocalyptic number.

It is an amenable number.

4591864 is a deficient number, since it is larger than the sum of its proper divisors (4104656).

4591864 is a wasteful number, since it uses less digits than its factorization.

4591864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790 (or 5786 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 4591864 is about 2142.8635047525. The cubic root of 4591864 is about 166.2122412223.

The spelling of 4591864 in words is "four million, five hundred ninety-one thousand, eight hundred sixty-four".