5921945 has 8 divisors (see below), whose sum is σ = 7351560. Its totient is φ = 4574080.

The previous prime is 5921893. The next prime is 5921957. The reversal of 5921945 is 5491295.

5921945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1792921 + 4129024 = 1339^2 + 2032^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5921945 - 2⁸ = 5921689 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20276 + ... + 20565.

It is an arithmetic number, because the mean of its divisors is an integer number (918945).

Almost surely, 2^5921945 is an apocalyptic number.

It is an amenable number.

5921945 is a deficient number, since it is larger than the sum of its proper divisors (1429615).

5921945 is a wasteful number, since it uses less digits than its factorization.

5921945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40875.

The product of its digits is 16200, while the sum is 35.

The square root of 5921945 is about 2433.5046743329. The cubic root of 5921945 is about 180.9206432543.

The spelling of 5921945 in words is "five million, nine hundred twenty-one thousand, nine hundred forty-five".