4405628 has 6 divisors (see below), whose sum is σ = 7709856. Its totient is φ = 2202812.

The previous prime is 4405591. The next prime is 4405633. The reversal of 4405628 is 8265044.

It is a self number, because there is not a number n which added to its sum of digits gives 4405628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550700 + ... + 550707.

It is an arithmetic number, because the mean of its divisors is an integer number (1284976).

Almost surely, 2^4405628 is an apocalyptic number.

It is an amenable number.

4405628 is a deficient number, since it is larger than the sum of its proper divisors (3304228).

4405628 is a wasteful number, since it uses less digits than its factorization.

4405628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101411 (or 1101409 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 4405628 is about 2098.9587894954. The cubic root of 4405628 is about 163.9340901123.

The spelling of 4405628 in words is "four million, four hundred five thousand, six hundred twenty-eight".