428086118 has 4 divisors (see below), whose sum is σ = 642129180. Its totient is φ = 214043058.

The previous prime is 428086103. The next prime is 428086121. The reversal of 428086118 is 811680824.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107021528 + ... + 107021531.

It is an arithmetic number, because the mean of its divisors is an integer number (160532295).

Almost surely, 2^428086118 is an apocalyptic number.

428086118 is a deficient number, since it is larger than the sum of its proper divisors (214043062).

428086118 is a wasteful number, since it uses less digits than its factorization.

428086118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214043061.

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 428086118 is about 20690.2420962153. The cubic root of 428086118 is about 753.6627457905.

The spelling of 428086118 in words is "four hundred twenty-eight million, eighty-six thousand, one hundred eighteen".