5921845 has 4 divisors (see below), whose sum is σ = 7106220. Its totient is φ = 4737472.

The previous prime is 5921809. The next prime is 5921869. The reversal of 5921845 is 5481295.

5921845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4626801 + 1295044 = 2151^2 + 1138^2 .

It is a cyclic number.

It is not a de Polignac number, because 5921845 - 2⁷ = 5921717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5921845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592180 + ... + 592189.

It is an arithmetic number, because the mean of its divisors is an integer number (1776555).

Almost surely, 2^5921845 is an apocalyptic number.

It is an amenable number.

5921845 is a deficient number, since it is larger than the sum of its proper divisors (1184375).

5921845 is a wasteful number, since it uses less digits than its factorization.

5921845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184374.

The product of its digits is 14400, while the sum is 34.

The square root of 5921845 is about 2433.4841277477. The cubic root of 5921845 is about 180.9196248858.

It can be divided in two parts, 59 and 21845, that added together give a square (21904 = 148²).

The spelling of 5921845 in words is "five million, nine hundred twenty-one thousand, eight hundred forty-five".