4981806 has 12 divisors (see below), whose sum is σ = 10793952. Its totient is φ = 1660596.

The previous prime is 4981789. The next prime is 4981807. The reversal of 4981806 is 6081894.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4981807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138366 + ... + 138401.

It is an arithmetic number, because the mean of its divisors is an integer number (899496).

Almost surely, 2^4981806 is an apocalyptic number.

4981806 is an abundant number, since it is smaller than the sum of its proper divisors (5812146).

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

4981806 is a wasteful number, since it uses less digits than its factorization.

4981806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276775 (or 276772 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 4981806 is about 2231.9959677383. The cubic root of 4981806 is about 170.7899339025.

It can be divided in two parts, 498 and 1806, that added together give a square (2304 = 48²).

The spelling of 4981806 in words is "four million, nine hundred eighty-one thousand, eight hundred six".