428282674 has 4 divisors (see below), whose sum is σ = 642424014. Its totient is φ = 214141336.

The previous prime is 428282669. The next prime is 428282677. The reversal of 428282674 is 476282824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 427869225 + 413449 = 20685^2 + 643^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 428282674.

It is not an unprimeable number, because it can be changed into a prime (428282677) by changing a digit.

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 as a sum of consecutive naturals, namely, 107070667 + ... + 107070670.

Almost surely, 2^428282674 is an apocalyptic number.

428282674 is a deficient number, since it is larger than the sum of its proper divisors (214141340).

428282674 is a wasteful number, since it uses less digits than its factorization.

428282674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214141339.

The product of its digits is 344064, while the sum is 43.

The square root of 428282674 is about 20694.9915196890. The cubic root of 428282674 is about 753.7780763762.

The spelling of 428282674 in words is "four hundred twenty-eight million, two hundred eighty-two thousand, six hundred seventy-four".