4397644 has 6 divisors (see below), whose sum is σ = 7695884. Its totient is φ = 2198820.

The previous prime is 4397599. The next prime is 4397651. The reversal of 4397644 is 4467934.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549702 + ... + 549709.

Almost surely, 2^4397644 is an apocalyptic number.

It is an amenable number.

4397644 is a deficient number, since it is larger than the sum of its proper divisors (3298240).

4397644 is a wasteful number, since it uses less digits than its factorization.

4397644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099415 (or 1099413 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 4397644 is about 2097.0560316787. The cubic root of 4397644 is about 163.8350016118.

It can be divided in two parts, 4397 and 644, that added together give a square (5041 = 71²).

The spelling of 4397644 in words is "four million, three hundred ninety-seven thousand, six hundred forty-four".