340404224 has 48 divisors (see below), whose sum is σ = 684028800. Its totient is φ = 169357312.

The previous prime is 340404203. The next prime is 340404227. The reversal of 340404224 is 422404043.

It is a super-3 number, since 3×340404224³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340404224.

It is not an unprimeable number, because it can be changed into a prime (340404227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710417 + ... + 710895.

It is an arithmetic number, because the mean of its divisors is an integer number (14250600).

Almost surely, 2^340404224 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 340404224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342014400).

340404224 is an abundant number, since it is smaller than the sum of its proper divisors (343624576).

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

340404224 is an equidigital number, since it uses as much as digits as its factorization.

340404224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 340404224 is about 18450.0467208081. The cubic root of 340404224 is about 698.2296926347.

Adding to 340404224 its reverse (422404043), we get a palindrome (762808267).

The spelling of 340404224 in words is "three hundred forty million, four hundred four thousand, two hundred twenty-four".