1028416 has 14 divisors (see below), whose sum is σ = 2040890. Its totient is φ = 514176.

The previous prime is 1028411. The next prime is 1028437. The reversal of 1028416 is 6148201.

It can be written as a sum of positive squares in only one way, i.e., 774400 + 254016 = 880^2 + 504^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7971 + ... + 8098.

2^1028416 is an apocalyptic number.

1028416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1028416 is a deficient number, since it is larger than the sum of its proper divisors (1012474).

1028416 is an equidigital number, since it uses as much as digits as its factorization.

1028416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16081 (or 16071 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1028416 is about 1014.1084754601. The cubic root of 1028416 is about 100.9383671292.

It can be divided in two parts, 1028 and 416, that added together give a square (1444 = 38²).

The spelling of 1028416 in words is "one million, twenty-eight thousand, four hundred sixteen".