4478900 has 18 divisors (see below), whose sum is σ = 9719430. Its totient is φ = 1791520.

The previous prime is 4478899. The next prime is 4478917. The reversal of 4478900 is 98744.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1444 + 4477456 = 38^2 + 2116^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22295 + ... + 22494.

Almost surely, 2^4478900 is an apocalyptic number.

It is an amenable number.

4478900 is an abundant number, since it is smaller than the sum of its proper divisors (5240530).

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

4478900 is a wasteful number, since it uses less digits than its factorization.

4478900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44803 (or 44796 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 4478900 is about 2116.3411823239. The cubic root of 4478900 is about 164.8379185848.

The spelling of 4478900 in words is "four million, four hundred seventy-eight thousand, nine hundred".