36881985 has 16 divisors (see below), whose sum is σ = 67441536. Its totient is φ = 16860288.

The previous prime is 36881953. The next prime is 36881987. The reversal of 36881985 is 58918863.

It is not a de Polignac number, because 36881985 - 2⁵ = 36881953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36881987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175524 + ... + 175733.

It is an arithmetic number, because the mean of its divisors is an integer number (4215096).

Almost surely, 2^36881985 is an apocalyptic number.

36881985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36881985 is a deficient number, since it is larger than the sum of its proper divisors (30559551).

36881985 is a wasteful number, since it uses less digits than its factorization.

36881985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351272.

The product of its digits is 414720, while the sum is 48.

The square root of 36881985 is about 6073.0540093103. The cubic root of 36881985 is about 332.8675265977.

The spelling of 36881985 in words is "thirty-six million, eight hundred eighty-one thousand, nine hundred eighty-five".