4397406 has 16 divisors (see below), whose sum is σ = 9471504. Its totient is φ = 1353024.

The previous prime is 4397399. The next prime is 4397431. The reversal of 4397406 is 6047934.

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 7 ways as a sum of consecutive naturals, for example, 28111 + ... + 28266.

It is an arithmetic number, because the mean of its divisors is an integer number (591969).

Almost surely, 2^4397406 is an apocalyptic number.

4397406 is an abundant number, since it is smaller than the sum of its proper divisors (5074098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4397406 is a wasteful number, since it uses less digits than its factorization.

4397406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56395.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 4397406 is about 2096.9992846923. Note that the first 3 decimals coincide. The cubic root of 4397406 is about 163.8320459812.

The spelling of 4397406 in words is "four million, three hundred ninety-seven thousand, four hundred six".