36001836 has 72 divisors (see below), whose sum is σ = 100340240. Its totient is φ = 10813824.

The previous prime is 36001817. The next prime is 36001837. The reversal of 36001836 is 63810063.

It is a super-2 number, since 2×36001836² = 2592264390741792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36001837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19230 + ... + 21018.

Almost surely, 2^36001836 is an apocalyptic number.

36001836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36001836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50170120).

36001836 is an abundant number, since it is smaller than the sum of its proper divisors (64338404).

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

36001836 is a wasteful number, since it uses less digits than its factorization.

36001836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855 (or 1850 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 36001836 is about 6000.1529980493. The cubic root of 36001836 is about 330.1983380704.

Adding to 36001836 its reverse (63810063), we get a palindrome (99811899).

The spelling of 36001836 in words is "thirty-six million, one thousand, eight hundred thirty-six".