428692416 has 28 divisors (see below), whose sum is σ = 1134249192. Its totient is φ = 142897408.

The previous prime is 428692399. The next prime is 428692447. The reversal of 428692416 is 614296824.

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, 1116195 + ... + 1116578.

Almost surely, 2^428692416 is an apocalyptic number.

It is an amenable number.

428692416 is an abundant number, since it is smaller than the sum of its proper divisors (705556776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428692416 is a wasteful number, since it uses less digits than its factorization.

428692416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232788 (or 2232778 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 428692416 is about 20704.8886980829. Note that the first 3 decimals coincide. The cubic root of 428692416 is about 754.0183819134.

The spelling of 428692416 in words is "four hundred twenty-eight million, six hundred ninety-two thousand, four hundred sixteen".