4397816 has 16 divisors (see below), whose sum is σ = 8680200. Its totient is φ = 2083104.

The previous prime is 4397803. The next prime is 4397831. The reversal of 4397816 is 6187934.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 4397816.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14315 + ... + 14618.

Almost surely, 2^4397816 is an apocalyptic number.

It is an amenable number.

4397816 is a deficient number, since it is larger than the sum of its proper divisors (4282384).

4397816 is a wasteful number, since it uses less digits than its factorization.

4397816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28958 (or 28954 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 4397816 is about 2097.0970411500. The cubic root of 4397816 is about 163.8371375474.

The spelling of 4397816 in words is "four million, three hundred ninety-seven thousand, eight hundred sixteen".