4481778 has 32 divisors (see below), whose sum is σ = 10848384. Its totient is φ = 1204992.

The previous prime is 4481767. The next prime is 4481791. The reversal of 4481778 is 8771844.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2425 + ... + 3852.

It is an arithmetic number, because the mean of its divisors is an integer number (339012).

Almost surely, 2^4481778 is an apocalyptic number.

4481778 is an abundant number, since it is smaller than the sum of its proper divisors (6366606).

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

4481778 is a wasteful number, since it uses less digits than its factorization.

4481778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306.

The product of its digits is 50176, while the sum is 39.

The square root of 4481778 is about 2117.0210202074. The cubic root of 4481778 is about 164.8732175759.

The spelling of 4481778 in words is "four million, four hundred eighty-one thousand, seven hundred seventy-eight".