4281920 has 28 divisors (see below), whose sum is σ = 10197084. Its totient is φ = 1712640.

The previous prime is 4281913. The next prime is 4281931. The reversal of 4281920 is 291824.

It can be written as a sum of positive squares in 2 ways, for example, as 984064 + 3297856 = 992^2 + 1816^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4281920.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6371 + ... + 7010.

Almost surely, 2^4281920 is an apocalyptic number.

4281920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4281920 is an abundant number, since it is smaller than the sum of its proper divisors (5915164).

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

4281920 is a wasteful number, since it uses less digits than its factorization.

4281920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13398 (or 13388 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4281920 is about 2069.2800680430. The cubic root of 4281920 is about 162.3851022111.

The spelling of 4281920 in words is "four million, two hundred eighty-one thousand, nine hundred twenty".