1428292 has 6 divisors (see below), whose sum is σ = 2499518. Its totient is φ = 714144.

The previous prime is 1428281. The next prime is 1428359. The reversal of 1428292 is 2928241.

It can be written as a sum of positive squares in only one way, i.e., 732736 + 695556 = 856^2 + 834^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1428292.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178533 + ... + 178540.

2^1428292 is an apocalyptic number.

It is an amenable number.

1428292 is a deficient number, since it is larger than the sum of its proper divisors (1071226).

1428292 is a wasteful number, since it uses less digits than its factorization.

1428292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357077 (or 357075 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 1428292 is about 1195.1117102598. Note that the first 3 decimals coincide. The cubic root of 1428292 is about 112.6174444294.

The spelling of 1428292 in words is "one million, four hundred twenty-eight thousand, two hundred ninety-two".