36361620 has 72 divisors (see below), whose sum is σ = 115105536. Its totient is φ = 9273792.

The previous prime is 36361609. The next prime is 36361651. The reversal of 36361620 is 2616363.

36361620 is a `hidden beast` number, since 3 + 6 + 36 + 1 + 620 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252 + ... + 8531.

It is an arithmetic number, because the mean of its divisors is an integer number (1598688).

Almost surely, 2^36361620 is an apocalyptic number.

36361620 is a gapful number since it is divisible by the number (30) 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 36361620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57552768).

36361620 is an abundant number, since it is smaller than the sum of its proper divisors (78743916).

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

36361620 is a wasteful number, since it uses less digits than its factorization.

36361620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8821 (or 8816 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 36361620 is about 6030.0597011970. The cubic root of 36361620 is about 331.2946388163.

Adding to 36361620 its reverse (2616363), we get a palindrome (38977983).

The spelling of 36361620 in words is "thirty-six million, three hundred sixty-one thousand, six hundred twenty".