1428066 has 12 divisors (see below), whose sum is σ = 3094182. Its totient is φ = 476016.

The previous prime is 1428041. The next prime is 1428079. The reversal of 1428066 is 6608241.

It can be written as a sum of positive squares in only one way, i.e., 1390041 + 38025 = 1179^2 + 195^2 .

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39651 + ... + 39686.

2^1428066 is an apocalyptic number.

1428066 is an abundant number, since it is smaller than the sum of its proper divisors (1666116).

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

1428066 is a wasteful number, since it uses less digits than its factorization.

1428066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79345 (or 79342 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1428066 is about 1195.0171546886. The cubic root of 1428066 is about 112.6115042610.

The spelling of 1428066 in words is "one million, four hundred twenty-eight thousand, sixty-six".