1026320 has 20 divisors (see below), whose sum is σ = 2386380. Its totient is φ = 410496.

The previous prime is 1026313. The next prime is 1026331. The reversal of 1026320 is 236201.

It can be written as a sum of positive squares in 2 ways, for example, as 595984 + 430336 = 772^2 + 656^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1026295 and 1026304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6335 + ... + 6494.

It is an arithmetic number, because the mean of its divisors is an integer number (119319).

2^1026320 is an apocalyptic number.

1026320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026320 is an abundant number, since it is smaller than the sum of its proper divisors (1360060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1026320 is a wasteful number, since it uses less digits than its factorization.

1026320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12842 (or 12836 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1026320 is about 1013.0745283542. The cubic root of 1026320 is about 100.8697468073.

The spelling of 1026320 in words is "one million, twenty-six thousand, three hundred twenty".