1428332 has 6 divisors (see below), whose sum is σ = 2499588. Its totient is φ = 714164.

The previous prime is 1428281. The next prime is 1428359. The reversal of 1428332 is 2338241.

It is a junction number, because it is equal to n+sod(n) for n = 1428298 and 1428307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178538 + ... + 178545.

It is an arithmetic number, because the mean of its divisors is an integer number (416598).

2^1428332 is an apocalyptic number.

It is an amenable number.

1428332 is a deficient number, since it is larger than the sum of its proper divisors (1071256).

1428332 is a wasteful number, since it uses less digits than its factorization.

1428332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357087 (or 357085 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1428332 is about 1195.1284449799. The cubic root of 1428332 is about 112.6184957213.

Subtracting 1428332 from its reverse (2338241), we obtain a palindrome (909909).

The spelling of 1428332 in words is "one million, four hundred twenty-eight thousand, three hundred thirty-two".