1027818 has 48 divisors (see below), whose sum is σ = 2527200. Its totient is φ = 299040.

The previous prime is 1027799. The next prime is 1027841. The reversal of 1027818 is 8187201.

It is a super-2 number, since 2×1027818² = 2112819682248, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1027791 and 1027800.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5653 + ... + 5831.

It is an arithmetic number, because the mean of its divisors is an integer number (52650).

2^1027818 is an apocalyptic number.

1027818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1027818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263600).

1027818 is an abundant number, since it is smaller than the sum of its proper divisors (1499382).

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

1027818 is a wasteful number, since it uses less digits than its factorization.

1027818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 1027818 is about 1013.8135923334. The cubic root of 1027818 is about 100.9187988978.

It can be divided in two parts, 10278 and 18, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 1027818 in words is "one million, twenty-seven thousand, eight hundred eighteen".