36321534 has 40 divisors (see below), whose sum is σ = 82023480. Its totient is φ = 12012624.

The previous prime is 36321533. The next prime is 36321539. The reversal of 36321534 is 43512363.

It is a happy number.

It is a super-2 number, since 2×36321534² = 2638507664226312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 36321498 and 36321507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36321533) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21712 + ... + 23324.

It is an arithmetic number, because the mean of its divisors is an integer number (2050587).

Almost surely, 2^36321534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36321534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41011740).

36321534 is an abundant number, since it is smaller than the sum of its proper divisors (45701946).

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

36321534 is a wasteful number, since it uses less digits than its factorization.

36321534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766 (or 1757 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 36321534 is about 6026.7349369290. The cubic root of 36321534 is about 331.1728514294.

Adding to 36321534 its reverse (43512363), we get a palindrome (79833897).

The spelling of 36321534 in words is "thirty-six million, three hundred twenty-one thousand, five hundred thirty-four".