4945805 has 16 divisors (see below), whose sum is σ = 6410880. Its totient is φ = 3651648.

The previous prime is 4945783. The next prime is 4945807. The reversal of 4945805 is 5085494.

It is a cyclic number.

It is not a de Polignac number, because 4945805 - 2⁶ = 4945741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4945807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2594 + ... + 4076.

It is an arithmetic number, because the mean of its divisors is an integer number (400680).

Almost surely, 2^4945805 is an apocalyptic number.

It is an amenable number.

4945805 is a deficient number, since it is larger than the sum of its proper divisors (1465075).

4945805 is a wasteful number, since it uses less digits than its factorization.

4945805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 4945805 is about 2223.9165901625. The cubic root of 4945805 is about 170.3775346558.

It can be divided in two parts, 49 and 45805, that added together give a palindrome (45854).

The spelling of 4945805 in words is "four million, nine hundred forty-five thousand, eight hundred five".