4397920 has 24 divisors (see below), whose sum is σ = 10390464. Its totient is φ = 1759104.

The previous prime is 4397909. The next prime is 4397923. The reversal of 4397920 is 297934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4397923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13584 + ... + 13903.

It is an arithmetic number, because the mean of its divisors is an integer number (432936).

Almost surely, 2^4397920 is an apocalyptic number.

4397920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4397920 is an abundant number, since it is smaller than the sum of its proper divisors (5992544).

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

4397920 is a wasteful number, since it uses less digits than its factorization.

4397920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27502 (or 27494 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 4397920 is about 2097.1218371854. The cubic root of 4397920 is about 163.8384290163.

The spelling of 4397920 in words is "four million, three hundred ninety-seven thousand, nine hundred twenty".