36021400 has 48 divisors (see below), whose sum is σ = 84146400. Its totient is φ = 14340480.

The previous prime is 36021379. The next prime is 36021407. The reversal of 36021400 is 412063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36021407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77569 + ... + 78031.

It is an arithmetic number, because the mean of its divisors is an integer number (1753050).

Almost surely, 2^36021400 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 36021400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42073200).

36021400 is an abundant number, since it is smaller than the sum of its proper divisors (48125000).

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

36021400 is a wasteful number, since it uses less digits than its factorization.

36021400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 36021400 is about 6001.7830683889. The cubic root of 36021400 is about 330.2581390065.

Adding to 36021400 its reverse (412063), we get a palindrome (36433463).

The spelling of 36021400 in words is "thirty-six million, twenty-one thousand, four hundred".