4097720 has 64 divisors (see below), whose sum is σ = 10281600. Its totient is φ = 1457280.

The previous prime is 4097707. The next prime is 4097741. The reversal of 4097720 is 277904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29411 + ... + 29549.

It is an arithmetic number, because the mean of its divisors is an integer number (160650).

Almost surely, 2^4097720 is an apocalyptic number.

4097720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4097720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5140800).

4097720 is an abundant number, since it is smaller than the sum of its proper divisors (6183880).

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

4097720 is a wasteful number, since it uses less digits than its factorization.

4097720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 4097720 is about 2024.2825889682. The cubic root of 4097720 is about 160.0223926992.

The spelling of 4097720 in words is "four million, ninety-seven thousand, seven hundred twenty".