4397648 has 10 divisors (see below), whose sum is σ = 8520474. Its totient is φ = 2198816.

The previous prime is 4397599. The next prime is 4397651. The reversal of 4397648 is 8467934.

It can be written as a sum of positive squares in only one way, i.e., 2347024 + 2050624 = 1532^2 + 1432^2 .

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, 137411 + ... + 137442.

Almost surely, 2^4397648 is an apocalyptic number.

It is an amenable number.

4397648 is a deficient number, since it is larger than the sum of its proper divisors (4122826).

4397648 is a wasteful number, since it uses less digits than its factorization.

4397648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274861 (or 274855 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 4397648 is about 2097.0569853964. The cubic root of 4397648 is about 163.8350512854.

The spelling of 4397648 in words is "four million, three hundred ninety-seven thousand, six hundred forty-eight".