2584421 has 8 divisors (see below), whose sum is σ = 2970624. Its totient is φ = 2202480.

The previous prime is 2584411. The next prime is 2584433. The reversal of 2584421 is 1244852.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-2584421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2584411) 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, 371 + ... + 2303.

It is an arithmetic number, because the mean of its divisors is an integer number (371328).

2^2584421 is an apocalyptic number.

It is an amenable number.

2584421 is a deficient number, since it is larger than the sum of its proper divisors (386203).

2584421 is a wasteful number, since it uses less digits than its factorization.

2584421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131.

The product of its digits is 2560, while the sum is 26.

The square root of 2584421 is about 1607.6134485628. The cubic root of 2584421 is about 137.2316927638.

The spelling of 2584421 in words is "two million, five hundred eighty-four thousand, four hundred twenty-one".