428404695 has 32 divisors (see below), whose sum is σ = 703926720. Its totient is φ = 222351360.

The previous prime is 428404687. The next prime is 428404721. The reversal of 428404695 is 596404824.

It is not a de Polignac number, because 428404695 - 2³ = 428404687 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378891 + ... + 380019.

It is an arithmetic number, because the mean of its divisors is an integer number (21997710).

Almost surely, 2^428404695 is an apocalyptic number.

428404695 is a deficient number, since it is larger than the sum of its proper divisors (275522025).

428404695 is a wasteful number, since it uses less digits than its factorization.

428404695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 428404695 is about 20697.9393901905. The cubic root of 428404695 is about 753.8496552863.

The spelling of 428404695 in words is "four hundred twenty-eight million, four hundred four thousand, six hundred ninety-five".