4945806 has 32 divisors (see below), whose sum is σ = 11162880. Its totient is φ = 1622808.

The previous prime is 4945783. The next prime is 4945807. The reversal of 4945806 is 6085494.

It is a Curzon number.

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, 2935 + ... + 4301.

It is an arithmetic number, because the mean of its divisors is an integer number (348840).

Almost surely, 2^4945806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4945806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5581440).

4945806 is an abundant number, since it is smaller than the sum of its proper divisors (6217074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4945806 is a wasteful number, since it uses less digits than its factorization.

4945806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4945806 is about 2223.9168149911. The cubic root of 4945806 is about 170.3775461388.

The spelling of 4945806 in words is "four million, nine hundred forty-five thousand, eight hundred six".