5871621 has 24 divisors (see below), whose sum is σ = 9275040. Its totient is φ = 3293472.

The previous prime is 5871611. The next prime is 5871631. The reversal of 5871621 is 1261785.

It is an interprime number because it is at equal distance from previous prime (5871611) and next prime (5871631).

It is not a de Polignac number, because 5871621 - 2⁶ = 5871557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5871611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8335 + ... + 9011.

It is an arithmetic number, because the mean of its divisors is an integer number (386460).

Almost surely, 2^5871621 is an apocalyptic number.

It is an amenable number.

5871621 is a deficient number, since it is larger than the sum of its proper divisors (3403419).

5871621 is a wasteful number, since it uses less digits than its factorization.

5871621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 746 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 5871621 is about 2423.1427939765. The cubic root of 5871621 is about 180.4067038313.

The spelling of 5871621 in words is "five million, eight hundred seventy-one thousand, six hundred twenty-one".