36813990 has 16 divisors (see below), whose sum is σ = 88353648. Its totient is φ = 9817056.

The previous prime is 36813989. The next prime is 36813991. The reversal of 36813990 is 9931863.

36813990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (36813989) and next prime (36813991).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36813991) 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, 613537 + ... + 613596.

It is an arithmetic number, because the mean of its divisors is an integer number (5522103).

Almost surely, 2^36813990 is an apocalyptic number.

36813990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

36813990 is an abundant number, since it is smaller than the sum of its proper divisors (51539658).

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

36813990 is a wasteful number, since it uses less digits than its factorization.

36813990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227143.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 36813990 is about 6067.4533372742. The cubic root of 36813990 is about 332.6628444605.

The spelling of 36813990 in words is "thirty-six million, eight hundred thirteen thousand, nine hundred ninety".