5913621 has 32 divisors (see below), whose sum is σ = 10183680. Its totient is φ = 3321648.

The previous prime is 5913601. The next prime is 5913631. The reversal of 5913621 is 1263195.

It is not a de Polignac number, because 5913621 - 2⁹ = 5913109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5913601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12430 + ... + 12896.

It is an arithmetic number, because the mean of its divisors is an integer number (318240).

Almost surely, 2^5913621 is an apocalyptic number.

It is an amenable number.

5913621 is a deficient number, since it is larger than the sum of its proper divisors (4270059).

5913621 is a wasteful number, since it uses less digits than its factorization.

5913621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 544 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 5913621 is about 2431.7937823755. The cubic root of 5913621 is about 180.8358349917.

The spelling of 5913621 in words is "five million, nine hundred thirteen thousand, six hundred twenty-one".