428038698 has 16 divisors (see below), whose sum is σ = 857263680. Its totient is φ = 142481856.

The previous prime is 428038697. The next prime is 428038739. The reversal of 428038698 is 896830824.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (428038693) 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 in 7 ways as a sum of consecutive naturals, for example, 44703 + ... + 53426.

It is an arithmetic number, because the mean of its divisors is an integer number (53578980).

Almost surely, 2^428038698 is an apocalyptic number.

428038698 is an abundant number, since it is smaller than the sum of its proper divisors (429224982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428038698 is a wasteful number, since it uses less digits than its factorization.

428038698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98861.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 428038698 is about 20689.0961136537. The cubic root of 428038698 is about 753.6349164936.

The spelling of 428038698 in words is "four hundred twenty-eight million, thirty-eight thousand, six hundred ninety-eight".