428319452 has 24 divisors (see below), whose sum is σ = 820979712. Its totient is φ = 193910000.

The previous prime is 428319427. The next prime is 428319457. The reversal of 428319452 is 254913824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428319457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8348 + ... + 30435.

It is an arithmetic number, because the mean of its divisors is an integer number (34207488).

Almost surely, 2^428319452 is an apocalyptic number.

It is an amenable number.

428319452 is a deficient number, since it is larger than the sum of its proper divisors (392660260).

428319452 is a wasteful number, since it uses less digits than its factorization.

428319452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39049 (or 39047 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 428319452 is about 20695.8800730967. The cubic root of 428319452 is about 753.7996522016.

The spelling of 428319452 in words is "four hundred twenty-eight million, three hundred nineteen thousand, four hundred fifty-two".