3582421 has 4 divisors (see below), whose sum is σ = 3643200. Its totient is φ = 3521644.

The previous prime is 3582419. The next prime is 3582433. The reversal of 3582421 is 1242853.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3582421 - 2¹ = 3582419 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 (3582401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30301 + ... + 30418.

It is an arithmetic number, because the mean of its divisors is an integer number (910800).

Almost surely, 2^3582421 is an apocalyptic number.

It is an amenable number.

3582421 is a deficient number, since it is larger than the sum of its proper divisors (60779).

3582421 is an equidigital number, since it uses as much as digits as its factorization.

3582421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60778.

The product of its digits is 1920, while the sum is 25.

The square root of 3582421 is about 1892.7284538465. The cubic root of 3582421 is about 153.0120172257.

The spelling of 3582421 in words is "three million, five hundred eighty-two thousand, four hundred twenty-one".