4589921 has 8 divisors (see below), whose sum is σ = 5274624. Its totient is φ = 3912480.

The previous prime is 4589873. The next prime is 4589933. The reversal of 4589921 is 1299854.

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 4589921 - 2¹⁴ = 4573537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4589951) 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, 380 + ... + 3053.

It is an arithmetic number, because the mean of its divisors is an integer number (659328).

Almost surely, 2^4589921 is an apocalyptic number.

It is an amenable number.

4589921 is a deficient number, since it is larger than the sum of its proper divisors (684703).

4589921 is a wasteful number, since it uses less digits than its factorization.

4589921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631.

The product of its digits is 25920, while the sum is 38.

The square root of 4589921 is about 2142.4100914624. The cubic root of 4589921 is about 166.1887942484.

The spelling of 4589921 in words is "four million, five hundred eighty-nine thousand, nine hundred twenty-one".