428705062 has 4 divisors (see below), whose sum is σ = 643057596. Its totient is φ = 214352530.

The previous prime is 428705059. The next prime is 428705071. The reversal of 428705062 is 260507824.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 107176264 + ... + 107176267.

It is an arithmetic number, because the mean of its divisors is an integer number (160764399).

Almost surely, 2^428705062 is an apocalyptic number.

428705062 is a deficient number, since it is larger than the sum of its proper divisors (214352534).

428705062 is a wasteful number, since it uses less digits than its factorization.

428705062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214352533.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 428705062 is about 20705.1940826451. The cubic root of 428705062 is about 754.0257961047.

The spelling of 428705062 in words is "four hundred twenty-eight million, seven hundred five thousand, sixty-two".