428029834 has 32 divisors (see below), whose sum is σ = 699955200. Its totient is φ = 195559920.

The previous prime is 428029831. The next prime is 428029843. The reversal of 428029834 is 438920824.

It is not an unprimeable number, because it can be changed into a prime (428029831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691177 + ... + 691795.

It is an arithmetic number, because the mean of its divisors is an integer number (21873600).

Almost surely, 2^428029834 is an apocalyptic number.

428029834 is a deficient number, since it is larger than the sum of its proper divisors (271925366).

428029834 is a wasteful number, since it uses less digits than its factorization.

428029834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 428029834 is about 20688.8818934229. The cubic root of 428029834 is about 753.6297142646.

The spelling of 428029834 in words is "four hundred twenty-eight million, twenty-nine thousand, eight hundred thirty-four".