1165340 has 24 divisors (see below), whose sum is σ = 2670192. Its totient is φ = 423680.

The previous prime is 1165303. The next prime is 1165349. The reversal of 1165340 is 435611.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429 + ... + 2868.

It is an arithmetic number, because the mean of its divisors is an integer number (111258).

2^1165340 is an apocalyptic number.

1165340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1165340 is an abundant number, since it is smaller than the sum of its proper divisors (1504852).

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

1165340 is a wasteful number, since it uses less digits than its factorization.

1165340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317 (or 5315 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1165340 is about 1079.5091477148. The cubic root of 1165340 is about 105.2327414750.

The spelling of 1165340 in words is "one million, one hundred sixty-five thousand, three hundred forty".