36630819 has 8 divisors (see below), whose sum is σ = 54267920. Its totient is φ = 24420528.

The previous prime is 36630787. The next prime is 36630823. The reversal of 36630819 is 91803663.

It is a happy number.

36630819 is a `hidden beast` number, since 3 + 6 + 630 + 8 + 19 = 666.

36630819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36630819 - 2⁵ = 36630787 is a prime.

It is a super-2 number, since 2×36630819² = 2683633801221522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (36630859) 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 7 ways as a sum of consecutive naturals, for example, 678322 + ... + 678375.

It is an arithmetic number, because the mean of its divisors is an integer number (6783490).

Almost surely, 2^36630819 is an apocalyptic number.

36630819 is a deficient number, since it is larger than the sum of its proper divisors (17637101).

36630819 is a wasteful number, since it uses less digits than its factorization.

36630819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356706 (or 1356700 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 36630819 is about 6052.3399607094. The cubic root of 36630819 is about 332.1101965209.

The spelling of 36630819 in words is "thirty-six million, six hundred thirty thousand, eight hundred nineteen".