428304244 has 12 divisors (see below), whose sum is σ = 751423204. Its totient is φ = 213611904.

The previous prime is 428304203. The next prime is 428304257. The reversal of 428304244 is 442403824.

It can be written as a sum of positive squares in 2 ways, for example, as 339001744 + 89302500 = 18412^2 + 9450^2 .

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, 133269 + ... + 136444.

Almost surely, 2^428304244 is an apocalyptic number.

It is an amenable number.

428304244 is a deficient number, since it is larger than the sum of its proper divisors (323118960).

428304244 is a wasteful number, since it uses less digits than its factorization.

428304244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270114 (or 270112 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

The square root of 428304244 is about 20695.5126537131. The cubic root of 428304244 is about 753.7907305733.

It can be divided in two parts, 42830 and 4244, that added together give a palindrome (47074).

The spelling of 428304244 in words is "four hundred twenty-eight million, three hundred four thousand, two hundred forty-four".