3587421 has 4 divisors (see below), whose sum is σ = 4783232. Its totient is φ = 2391612.

The previous prime is 3587407. The next prime is 3587429. The reversal of 3587421 is 1247853.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1247853 = 3 ⋅415951.

It is not a de Polignac number, because 3587421 - 2⁹ = 3586909 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3587429) 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, 597901 + ... + 597906.

It is an arithmetic number, because the mean of its divisors is an integer number (1195808).

Almost surely, 2^3587421 is an apocalyptic number.

It is an amenable number.

3587421 is a deficient number, since it is larger than the sum of its proper divisors (1195811).

3587421 is a wasteful number, since it uses less digits than its factorization.

3587421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195810.

The product of its digits is 6720, while the sum is 30.

The square root of 3587421 is about 1894.0488378075. The cubic root of 3587421 is about 153.0831706375.

The spelling of 3587421 in words is "three million, five hundred eighty-seven thousand, four hundred twenty-one".