4478925 has 48 divisors (see below), whose sum is σ = 8303040. Its totient is φ = 2112000.

The previous prime is 4478917. The next prime is 4478983. The reversal of 4478925 is 5298744.

It is not a de Polignac number, because 4478925 - 2³ = 4478917 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50281 + ... + 50369.

It is an arithmetic number, because the mean of its divisors is an integer number (172980).

Almost surely, 2^4478925 is an apocalyptic number.

It is an amenable number.

4478925 is a deficient number, since it is larger than the sum of its proper divisors (3824115).

4478925 is a wasteful number, since it uses less digits than its factorization.

4478925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 169 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 4478925 is about 2116.3470887357. The cubic root of 4478925 is about 164.8382252777.

The spelling of 4478925 in words is "four million, four hundred seventy-eight thousand, nine hundred twenty-five".