1164534 has 48 divisors (see below), whose sum is σ = 2881008. Its totient is φ = 311808.

The previous prime is 1164533. The next prime is 1164557. The reversal of 1164534 is 4354611.

It is a super-2 number, since 2×1164534² = 2712278874312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4882 + ... + 5114.

It is an arithmetic number, because the mean of its divisors is an integer number (60021).

2^1164534 is an apocalyptic number.

1164534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1164534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440504).

1164534 is an abundant number, since it is smaller than the sum of its proper divisors (1716474).

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

1164534 is a wasteful number, since it uses less digits than its factorization.

1164534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 262 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 1164534 is about 1079.1357653233. The cubic root of 1164534 is about 105.2084746940.

The spelling of 1164534 in words is "one million, one hundred sixty-four thousand, five hundred thirty-four".