4047280 has 20 divisors (see below), whose sum is σ = 9410112. Its totient is φ = 1618880.

The previous prime is 4047271. The next prime is 4047283. The reversal of 4047280 is 827404.

4047280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (4047283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25216 + ... + 25375.

Almost surely, 2^4047280 is an apocalyptic number.

4047280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4047280 is an abundant number, since it is smaller than the sum of its proper divisors (5362832).

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

4047280 is a wasteful number, since it uses less digits than its factorization.

4047280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50604 (or 50598 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 4047280 is about 2011.7852768126. The cubic root of 4047280 is about 159.3630930487.

The spelling of 4047280 in words is "four million, forty-seven thousand, two hundred eighty".