1043428 has 6 divisors (see below), whose sum is σ = 1826006. Its totient is φ = 521712.

The previous prime is 1043401. The next prime is 1043453. The reversal of 1043428 is 8243401.

It can be written as a sum of positive squares in only one way, i.e., 842724 + 200704 = 918^2 + 448^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1043399 and 1043408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130425 + ... + 130432.

2^1043428 is an apocalyptic number.

It is an amenable number.

1043428 is a deficient number, since it is larger than the sum of its proper divisors (782578).

1043428 is a wasteful number, since it uses less digits than its factorization.

1043428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260861 (or 260859 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1043428 is about 1021.4832353005. The cubic root of 1043428 is about 101.4271359410.

Adding to 1043428 its reverse (8243401), we get a palindrome (9286829).

The spelling of 1043428 in words is "one million, forty-three thousand, four hundred twenty-eight".