36491800 has 48 divisors (see below), whose sum is σ = 88543440. Its totient is φ = 13960320.

The previous prime is 36491797. The next prime is 36491801. The reversal of 36491800 is 819463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36491801) 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, 634 + ... + 8566.

It is an arithmetic number, because the mean of its divisors is an integer number (1844655).

Almost surely, 2^36491800 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 36491800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44271720).

36491800 is an abundant number, since it is smaller than the sum of its proper divisors (52051640).

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

36491800 is a wasteful number, since it uses less digits than its factorization.

36491800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7972 (or 7963 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 36491800 is about 6040.8443118491. The cubic root of 36491800 is about 331.6895292720.

The spelling of 36491800 in words is "thirty-six million, four hundred ninety-one thousand, eight hundred".