1428932 has 12 divisors (see below), whose sum is σ = 2561916. Its totient is φ = 696960.

The previous prime is 1428929. The next prime is 1428937. The reversal of 1428932 is 2398241.

It can be written as a sum of positive squares in 2 ways, for example, as 749956 + 678976 = 866^2 + 824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1428895 and 1428904.

It is not an unprimeable number, because it can be changed into a prime (1428937) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4193 + ... + 4520.

It is an arithmetic number, because the mean of its divisors is an integer number (213493).

2^1428932 is an apocalyptic number.

It is an amenable number.

1428932 is a deficient number, since it is larger than the sum of its proper divisors (1132984).

1428932 is a wasteful number, since it uses less digits than its factorization.

1428932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758 (or 8756 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 1428932 is about 1195.3794376682. The cubic root of 1428932 is about 112.6342627461.

It can be divided in two parts, 1428 and 932, that multiplied together give a triangular number (1330896 = T₁₆₃₁).

The spelling of 1428932 in words is "one million, four hundred twenty-eight thousand, nine hundred thirty-two".