36839985 has 64 divisors (see below), whose sum is σ = 73446912. Its totient is φ = 15353856.

The previous prime is 36839981. The next prime is 36839987. The reversal of 36839985 is 58993863.

It is not a de Polignac number, because 36839985 - 2² = 36839981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36839981) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 186907 + ... + 187103.

It is an arithmetic number, because the mean of its divisors is an integer number (1147608).

Almost surely, 2^36839985 is an apocalyptic number.

36839985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36839985 is a deficient number, since it is larger than the sum of its proper divisors (36606927).

36839985 is a wasteful number, since it uses less digits than its factorization.

36839985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its digits is 1399680, while the sum is 51.

The square root of 36839985 is about 6069.5951265303. The cubic root of 36839985 is about 332.7411257157.

The spelling of 36839985 in words is "thirty-six million, eight hundred thirty-nine thousand, nine hundred eighty-five".