428342764 has 24 divisors (see below), whose sum is σ = 789969600. Its totient is φ = 202663440.

The previous prime is 428342749. The next prime is 428342791. The reversal of 428342764 is 467243824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74679 + ... + 80209.

It is an arithmetic number, because the mean of its divisors is an integer number (32915400).

Almost surely, 2^428342764 is an apocalyptic number.

It is an amenable number.

428342764 is a deficient number, since it is larger than the sum of its proper divisors (361626836).

428342764 is a wasteful number, since it uses less digits than its factorization.

428342764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6573 (or 6571 counting only the distinct ones).

The product of its digits is 258048, while the sum is 40.

The square root of 428342764 is about 20696.4432693156. The cubic root of 428342764 is about 753.8133275542.

The spelling of 428342764 in words is "four hundred twenty-eight million, three hundred forty-two thousand, seven hundred sixty-four".