428127286 has 16 divisors (see below), whose sum is σ = 680377536. Its totient is φ = 201350016.

The previous prime is 428127263. The next prime is 428127311. The reversal of 428127286 is 682721824.

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 7 ways as a sum of consecutive naturals, for example, 80275 + ... + 85441.

It is an arithmetic number, because the mean of its divisors is an integer number (42523596).

Almost surely, 2^428127286 is an apocalyptic number.

428127286 is a deficient number, since it is larger than the sum of its proper divisors (252250250).

428127286 is a wasteful number, since it uses less digits than its factorization.

428127286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7623.

The product of its digits is 86016, while the sum is 40.

The square root of 428127286 is about 20691.2369374090. The cubic root of 428127286 is about 753.6869043201.

The spelling of 428127286 in words is "four hundred twenty-eight million, one hundred twenty-seven thousand, two hundred eighty-six".