428628016 has 10 divisors (see below), whose sum is σ = 830466812. Its totient is φ = 214314000.

The previous prime is 428628001. The next prime is 428628047. The reversal of 428628016 is 610826824.

It is a super-2 number, since 2×428628016² = 367443952200192512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13394610 + ... + 13394641.

Almost surely, 2^428628016 is an apocalyptic number.

It is an amenable number.

428628016 is a deficient number, since it is larger than the sum of its proper divisors (401838796).

428628016 is a wasteful number, since it uses less digits than its factorization.

428628016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26789259 (or 26789253 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 428628016 is about 20703.3334514034. Note that the first 3 decimals coincide. The cubic root of 428628016 is about 753.9806227387.

The spelling of 428628016 in words is "four hundred twenty-eight million, six hundred twenty-eight thousand, sixteen".