428884435 has 32 divisors (see below), whose sum is σ = 620928000. Its totient is φ = 277810560.

The previous prime is 428884409. The next prime is 428884439. The reversal of 428884435 is 534488824.

It is not a de Polignac number, because 428884435 - 2⁵ = 428884403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428884439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305866 + ... + 307264.

It is an arithmetic number, because the mean of its divisors is an integer number (19404000).

Almost surely, 2^428884435 is an apocalyptic number.

428884435 is a deficient number, since it is larger than the sum of its proper divisors (192043565).

428884435 is a wasteful number, since it uses less digits than its factorization.

428884435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891.

The product of its digits is 983040, while the sum is 46.

The square root of 428884435 is about 20709.5252239157. The cubic root of 428884435 is about 754.1309445483.

The spelling of 428884435 in words is "four hundred twenty-eight million, eight hundred eighty-four thousand, four hundred thirty-five".