5787621 has 12 divisors (see below), whose sum is σ = 9554272. Its totient is φ = 3307176.

The previous prime is 5787563. The next prime is 5787631. The reversal of 5787621 is 1267875.

It is not a de Polignac number, because 5787621 - 2⁷ = 5787493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5787631) 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 11 ways as a sum of consecutive naturals, for example, 45871 + ... + 45996.

Almost surely, 2^5787621 is an apocalyptic number.

It is an amenable number.

5787621 is a deficient number, since it is larger than the sum of its proper divisors (3766651).

5787621 is a wasteful number, since it uses less digits than its factorization.

5787621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91880 (or 91877 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 5787621 is about 2405.7474929842. The cubic root of 5787621 is about 179.5422628945.

It can be divided in two parts, 57 and 87621, that added together give a palindrome (87678).

The spelling of 5787621 in words is "five million, seven hundred eighty-seven thousand, six hundred twenty-one".