36385506 has 48 divisors (see below), whose sum is σ = 82038528. Its totient is φ = 11642400.

The previous prime is 36385499. The next prime is 36385523. The reversal of 36385506 is 60558363.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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, 109761 + ... + 110091.

It is an arithmetic number, because the mean of its divisors is an integer number (1709136).

Almost surely, 2^36385506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36385506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41019264).

36385506 is an abundant number, since it is smaller than the sum of its proper divisors (45653022).

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

36385506 is a wasteful number, since it uses less digits than its factorization.

36385506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 36385506 is about 6032.0399534486. The cubic root of 36385506 is about 331.3671655778.

The spelling of 36385506 in words is "thirty-six million, three hundred eighty-five thousand, five hundred six".