4064280 has 64 divisors (see below), whose sum is σ = 13305600. Its totient is φ = 984960.

The previous prime is 4064243. The next prime is 4064299. The reversal of 4064280 is 824604.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4064280.

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, 220 + ... + 2859.

It is an arithmetic number, because the mean of its divisors is an integer number (207900).

Almost surely, 2^4064280 is an apocalyptic number.

4064280 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 4064280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6652800).

4064280 is an abundant number, since it is smaller than the sum of its proper divisors (9241320).

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

4064280 is a wasteful number, since it uses less digits than its factorization.

4064280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104 (or 3100 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 4064280 is about 2016.0059523722. The cubic root of 4064280 is about 159.5859083921.

Subtracting from 4064280 its sum of digits (24), we obtain a square (4064256 = 2016²).

Adding to 4064280 its reverse (824604), we get a palindrome (4888884).

The spelling of 4064280 in words is "four million, sixty-four thousand, two hundred eighty".