36491838 has 32 divisors (see below), whose sum is σ = 74511360. Its totient is φ = 11912160.

The previous prime is 36491813. The next prime is 36491891. The reversal of 36491838 is 83819463.

It is a happy number.

36491838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 36491838.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 78928 + ... + 79388.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 2^36491838 is an apocalyptic number.

36491838 is an abundant number, since it is smaller than the sum of its proper divisors (38019522).

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

36491838 is a wasteful number, since it uses less digits than its factorization.

36491838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712.

The product of its digits is 124416, while the sum is 42.

The square root of 36491838 is about 6040.8474571040. The cubic root of 36491838 is about 331.6896444047.

The spelling of 36491838 in words is "thirty-six million, four hundred ninety-one thousand, eight hundred thirty-eight".