428710918 has 8 divisors (see below), whose sum is σ = 643177512. Its totient is φ = 214318416.

The previous prime is 428710901. The next prime is 428710939. The reversal of 428710918 is 819017824.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 580 + ... + 29287.

It is an arithmetic number, because the mean of its divisors is an integer number (80397189).

Almost surely, 2^428710918 is an apocalyptic number.

428710918 is a deficient number, since it is larger than the sum of its proper divisors (214466594).

428710918 is a wasteful number, since it uses less digits than its factorization.

428710918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37046.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 428710918 is about 20705.3354959537. The cubic root of 428710918 is about 754.0292293547.

The spelling of 428710918 in words is "four hundred twenty-eight million, seven hundred ten thousand, nine hundred eighteen".