1165424 has 30 divisors (see below), whose sum is σ = 2450736. Its totient is φ = 536640.

The previous prime is 1165421. The next prime is 1165447. The reversal of 1165424 is 4245611.

It is a self number, because there is not a number n which added to its sum of digits gives 1165424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2489 + ... + 2919.

2^1165424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225368).

1165424 is an abundant number, since it is smaller than the sum of its proper divisors (1285312).

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

1165424 is a wasteful number, since it uses less digits than its factorization.

1165424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 446 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 1165424 is about 1079.5480535854. The cubic root of 1165424 is about 105.2352698753.

The spelling of 1165424 in words is "one million, one hundred sixty-five thousand, four hundred twenty-four".