4340280 has 64 divisors (see below), whose sum is σ = 14883840. Its totient is φ = 991872.

The previous prime is 4340269. The next prime is 4340299. The reversal of 4340280 is 820434.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 1744 + ... + 3423.

It is an arithmetic number, because the mean of its divisors is an integer number (232560).

Almost surely, 2^4340280 is an apocalyptic number.

4340280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4340280 is an abundant number, since it is smaller than the sum of its proper divisors (10543560).

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

4340280 is a wasteful number, since it uses less digits than its factorization.

4340280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5188 (or 5184 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4340280 is about 2083.3338666666. Note that the first 3 decimals coincide. The cubic root of 4340280 is about 163.1195128878.

The spelling of 4340280 in words is "four million, three hundred forty thousand, two hundred eighty".