4897920 has 64 divisors (see below), whose sum is σ = 15618240. Its totient is φ = 1305600.

The previous prime is 4897909. The next prime is 4897927. The reversal of 4897920 is 297984.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (4897927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645 + ... + 3195.

It is an arithmetic number, because the mean of its divisors is an integer number (244035).

Almost surely, 2^4897920 is an apocalyptic number.

4897920 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 4897920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7809120).

4897920 is an abundant number, since it is smaller than the sum of its proper divisors (10720320).

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

4897920 is a wasteful number, since it uses less digits than its factorization.

4897920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573 (or 2561 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 4897920 is about 2213.1244881389. The cubic root of 4897920 is about 169.8258886361.

The spelling of 4897920 in words is "four million, eight hundred ninety-seven thousand, nine hundred twenty".