36549860 has 72 divisors (see below), whose sum is σ = 82967976. Its totient is φ = 13511680.

The previous prime is 36549839. The next prime is 36549869. The reversal of 36549860 is 6894563.

36549860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 11888704 + 24661156 = 3448^2 + 4966^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (36549869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 689594 + ... + 689646.

It is an arithmetic number, because the mean of its divisors is an integer number (1152333).

Almost surely, 2^36549860 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 36549860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41483988).

36549860 is an abundant number, since it is smaller than the sum of its proper divisors (46418116).

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

36549860 is a wasteful number, since it uses less digits than its factorization.

36549860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 36549860 is about 6045.6480215110. The cubic root of 36549860 is about 331.8653467589.

The spelling of 36549860 in words is "thirty-six million, five hundred forty-nine thousand, eight hundred sixty".