4026845 has 4 divisors (see below), whose sum is σ = 4832220. Its totient is φ = 3221472.

The previous prime is 4026829. The next prime is 4026857. The reversal of 4026845 is 5486204.

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 1552516 + 2474329 = 1246^2 + 1573^2 .

It is a cyclic number.

It is not a de Polignac number, because 4026845 - 2⁴ = 4026829 is a prime.

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, 402680 + ... + 402689.

It is an arithmetic number, because the mean of its divisors is an integer number (1208055).

Almost surely, 2^4026845 is an apocalyptic number.

It is an amenable number.

4026845 is a deficient number, since it is larger than the sum of its proper divisors (805375).

4026845 is an equidigital number, since it uses as much as digits as its factorization.

4026845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805374.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 4026845 is about 2006.7000274082. The cubic root of 4026845 is about 159.0944285678.

The spelling of 4026845 in words is "four million, twenty-six thousand, eight hundred forty-five".