4405957 has 4 divisors (see below), whose sum is σ = 4410540. Its totient is φ = 4401376.

The previous prime is 4405927. The next prime is 4405979. The reversal of 4405957 is 7595044.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3690241 + 715716 = 1921^2 + 846^2 .

It is a cyclic number.

It is not a de Polignac number, because 4405957 - 2⁷ = 4405829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405927) 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 3 ways as a sum of consecutive naturals, for example, 232 + ... + 2977.

It is an arithmetic number, because the mean of its divisors is an integer number (1102635).

Almost surely, 2^4405957 is an apocalyptic number.

It is an amenable number.

4405957 is a deficient number, since it is larger than the sum of its proper divisors (4583).

4405957 is a wasteful number, since it uses less digits than its factorization.

4405957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4582.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 4405957 is about 2099.0371602237. The cubic root of 4405957 is about 163.9381707241.

The spelling of 4405957 in words is "four million, four hundred five thousand, nine hundred fifty-seven".