406304260 has 48 divisors (see below), whose sum is σ = 876545712. Its totient is φ = 158105600.

The previous prime is 406304243. The next prime is 406304279. The reversal of 406304260 is 62403604.

It can be written as a sum of positive squares in 8 ways, for example, as 57062916 + 349241344 = 7554^2 + 18688^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525234 + ... + 526006.

It is an arithmetic number, because the mean of its divisors is an integer number (18261369).

Almost surely, 2^406304260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406304260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438272856).

406304260 is an abundant number, since it is smaller than the sum of its proper divisors (470241452).

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

406304260 is a wasteful number, since it uses less digits than its factorization.

406304260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 406304260 is about 20156.9903507443. The cubic root of 406304260 is about 740.6569889748.

Adding to 406304260 its reverse (62403604), we get a palindrome (468707864).

The spelling of 406304260 in words is "four hundred six million, three hundred four thousand, two hundred sixty".