4407428 has 12 divisors (see below), whose sum is σ = 7747740. Its totient is φ = 2193792.

The previous prime is 4407419. The next prime is 4407439. The reversal of 4407428 is 8247044.

It can be written as a sum of positive squares in 2 ways, for example, as 399424 + 4008004 = 632^2 + 2002^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4407428.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433 + ... + 3296.

It is an arithmetic number, because the mean of its divisors is an integer number (645645).

Almost surely, 2^4407428 is an apocalyptic number.

It is an amenable number.

4407428 is a deficient number, since it is larger than the sum of its proper divisors (3340312).

4407428 is a wasteful number, since it uses less digits than its factorization.

4407428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4966 (or 4964 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 4407428 is about 2099.3875297334. The cubic root of 4407428 is about 163.9564131640.

The spelling of 4407428 in words is "four million, four hundred seven thousand, four hundred twenty-eight".