36597820 has 48 divisors (see below), whose sum is σ = 89062848. Its totient is φ = 12372480.

The previous prime is 36597817. The next prime is 36597823. The reversal of 36597820 is 2879563.

It is an interprime number because it is at equal distance from previous prime (36597817) and next prime (36597823).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36597823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8430 + ... + 12010.

It is an arithmetic number, because the mean of its divisors is an integer number (1855476).

Almost surely, 2^36597820 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 36597820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44531424).

36597820 is an abundant number, since it is smaller than the sum of its proper divisors (52465028).

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

36597820 is a wasteful number, since it uses less digits than its factorization.

36597820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670 (or 3668 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 36597820 is about 6049.6132107764. The cubic root of 36597820 is about 332.0104390195.

The spelling of 36597820 in words is "thirty-six million, five hundred ninety-seven thousand, eight hundred twenty".