1165338 has 24 divisors (see below), whose sum is σ = 2553876. Its totient is φ = 384000.

The previous prime is 1165303. The next prime is 1165349. The reversal of 1165338 is 8335611.

1165338 is a `hidden beast` number, since 1 + 1 + 653 + 3 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 870489 + 294849 = 933^2 + 543^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1498 + ... + 2138.

2^1165338 is an apocalyptic number.

1165338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1165338 is an abundant number, since it is smaller than the sum of its proper divisors (1388538).

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

1165338 is a wasteful number, since it uses less digits than its factorization.

1165338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 747 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1165338 is about 1079.5082213675. The cubic root of 1165338 is about 105.2326812735.

The spelling of 1165338 in words is "one million, one hundred sixty-five thousand, three hundred thirty-eight".