1165394 has 16 divisors (see below), whose sum is σ = 1840320. Its totient is φ = 552720.

The previous prime is 1165379. The next prime is 1165397. The reversal of 1165394 is 4935611.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1165397) 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, 3977 + ... + 4259.

It is an arithmetic number, because the mean of its divisors is an integer number (115020).

2^1165394 is an apocalyptic number.

1165394 is a deficient number, since it is larger than the sum of its proper divisors (674926).

1165394 is a wasteful number, since it uses less digits than its factorization.

1165394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its digits is 3240, while the sum is 29.

The square root of 1165394 is about 1079.5341587926. The cubic root of 1165394 is about 105.2343668891.

1165394 divided by its sum of digits (29) gives a triangular number (40186 = T₂₈₃).

The spelling of 1165394 in words is "one million, one hundred sixty-five thousand, three hundred ninety-four".