428773606 has 16 divisors (see below), whose sum is σ = 652746240. Its totient is φ = 211203720.

The previous prime is 428773573. The next prime is 428773633. The reversal of 428773606 is 606377824.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74815 + ... + 80341.

It is an arithmetic number, because the mean of its divisors is an integer number (40796640).

Almost surely, 2^428773606 is an apocalyptic number.

428773606 is a deficient number, since it is larger than the sum of its proper divisors (223972634).

428773606 is a wasteful number, since it uses less digits than its factorization.

428773606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 428773606 is about 20706.8492533268. The cubic root of 428773606 is about 754.0659800559.

The spelling of 428773606 in words is "four hundred twenty-eight million, seven hundred seventy-three thousand, six hundred six".