428737798 has 32 divisors (see below), whose sum is σ = 675734400. Its totient is φ = 203758464.

The previous prime is 428737787. The next prime is 428737847. The reversal of 428737798 is 897737824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1793763 + ... + 1794001.

It is an arithmetic number, because the mean of its divisors is an integer number (21116700).

Almost surely, 2^428737798 is an apocalyptic number.

428737798 is a deficient number, since it is larger than the sum of its proper divisors (246996602).

428737798 is a wasteful number, since it uses less digits than its factorization.

428737798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its digits is 4741632, while the sum is 55.

The square root of 428737798 is about 20705.9845938318. The cubic root of 428737798 is about 754.0449881339.

The spelling of 428737798 in words is "four hundred twenty-eight million, seven hundred thirty-seven thousand, seven hundred ninety-eight".