4440625 has 36 divisors (see below), whose sum is σ = 6679260. Its totient is φ = 2940000.

The previous prime is 4440619. The next prime is 4440637. The reversal of 4440625 is 5260444.

4440625 = T₄₀₁ + T₄₀₂ + ... + T₄₄₉.

It can be written as a sum of positive squares in 6 ways, for example, as 3625216 + 815409 = 1904^2 + 903^2 .

It is not a de Polignac number, because 4440625 - 2⁷ = 4440497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 4440625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 153111 + ... + 153139.

It is an arithmetic number, because the mean of its divisors is an integer number (185535).

Almost surely, 2^4440625 is an apocalyptic number.

It is an amenable number.

4440625 is a deficient number, since it is larger than the sum of its proper divisors (2238635).

4440625 is an frugal number, since it uses more digits than its factorization.

4440625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4440625 is about 2107.2790512887. The cubic root of 4440625 is about 164.3670269907.

The spelling of 4440625 in words is "four million, four hundred forty thousand, six hundred twenty-five".