1428606016 has 28 divisors (see below), whose sum is σ = 3001650588. Its totient is φ = 672284672.

The previous prime is 1428605989. The next prime is 1428606041. The reversal of 1428606016 is 6106068241.

It can be written as a sum of positive squares in 2 ways, for example, as 1194393600 + 234212416 = 34560^2 + 15304^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655441 + ... + 657616.

Almost surely, 2^1428606016 is an apocalyptic number.

1428606016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1428606016 is an abundant number, since it is smaller than the sum of its proper divisors (1573044572).

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

1428606016 is a wasteful number, since it uses less digits than its factorization.

1428606016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313086 (or 1313076 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1428606016 is about 37796.9048468258. The cubic root of 1428606016 is about 1126.2569696411.

The spelling of 1428606016 in words is "one billion, four hundred twenty-eight million, six hundred six thousand, sixteen".