1028270 has 24 divisors (see below), whose sum is σ = 1930392. Its totient is φ = 394320.

The previous prime is 1028263. The next prime is 1028273. The reversal of 1028270 is 728201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9557 + ... + 9663.

It is an arithmetic number, because the mean of its divisors is an integer number (80433).

2^1028270 is an apocalyptic number.

1028270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1028270 is a deficient number, since it is larger than the sum of its proper divisors (902122).

1028270 is a wasteful number, since it uses less digits than its factorization.

1028270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1028270 is about 1014.0364884954. The cubic root of 1028270 is about 100.9335903012.

The spelling of 1028270 in words is "one million, twenty-eight thousand, two hundred seventy".