36685990 has 24 divisors (see below), whose sum is σ = 72586080. Its totient is φ = 13339920.

The previous prime is 36685973. The next prime is 36685993. The reversal of 36685990 is 9958663.

36685990 = T₄₆₄ + T₄₆₅ + ... + T₆₈₃.

36685990 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 36685990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36685993) 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 11 ways as a sum of consecutive naturals, for example, 13950 + ... + 16369.

It is an arithmetic number, because the mean of its divisors is an integer number (3024420).

Almost surely, 2^36685990 is an apocalyptic number.

36685990 is a deficient number, since it is larger than the sum of its proper divisors (35900090).

36685990 is a wasteful number, since it uses less digits than its factorization.

36685990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30348 (or 30337 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 36685990 is about 6056.8960697704. The cubic root of 36685990 is about 332.2768472715.

It can be divided in two parts, 36685 and 990, that added together give a triangular number (37675 = T₂₇₄).

The spelling of 36685990 in words is "thirty-six million, six hundred eighty-five thousand, nine hundred ninety".