1162818 has 12 divisors (see below), whose sum is σ = 2519478. Its totient is φ = 387600.

The previous prime is 1162807. The next prime is 1162853. The reversal of 1162818 is 8182611.

It can be written as a sum of positive squares in only one way, i.e., 762129 + 400689 = 873^2 + 633^2 .

It is a super-2 number, since 2×1162818² = 2704291402248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1162791 and 1162800.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32283 + ... + 32318.

2^1162818 is an apocalyptic number.

1162818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1162818 is an abundant number, since it is smaller than the sum of its proper divisors (1356660).

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

1162818 is a wasteful number, since it uses less digits than its factorization.

1162818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64609 (or 64606 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 1162818 is about 1078.3403915276. The cubic root of 1162818 is about 105.1567726133.

Subtracting from 1162818 its product of digits (768), we obtain a triangular number (1162050 = T₁₅₂₄).

The spelling of 1162818 in words is "one million, one hundred sixty-two thousand, eight hundred eighteen".