4423280 has 20 divisors (see below), whose sum is σ = 10284312. Its totient is φ = 1769280.

The previous prime is 4423277. The next prime is 4423301. The reversal of 4423280 is 823244.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27566 + ... + 27725.

Almost surely, 2^4423280 is an apocalyptic number.

4423280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4423280 is an abundant number, since it is smaller than the sum of its proper divisors (5861032).

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

4423280 is a wasteful number, since it uses less digits than its factorization.

4423280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55304 (or 55298 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4423280 is about 2103.1595279484. The cubic root of 4423280 is about 164.1527428848.

The spelling of 4423280 in words is "four million, four hundred twenty-three thousand, two hundred eighty".