428739762 has 64 divisors (see below), whose sum is σ = 995701248. Its totient is φ = 121632000.

The previous prime is 428739721. The next prime is 428739791. The reversal of 428739762 is 267937824.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 235837 + ... + 237647.

It is an arithmetic number, because the mean of its divisors is an integer number (15557832).

Almost surely, 2^428739762 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428739762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497850624).

428739762 is an abundant number, since it is smaller than the sum of its proper divisors (566961486).

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

428739762 is a wasteful number, since it uses less digits than its factorization.

428739762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055.

The product of its digits is 1016064, while the sum is 48.

The square root of 428739762 is about 20706.0320196797. The cubic root of 428739762 is about 754.0461395308.

The spelling of 428739762 in words is "four hundred twenty-eight million, seven hundred thirty-nine thousand, seven hundred sixty-two".