36281983 has 4 divisors (see below), whose sum is σ = 36294048. Its totient is φ = 36269920.

The previous prime is 36281969. The next prime is 36281989. The reversal of 36281983 is 38918263.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 36281983 - 2⁵ = 36281951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36281989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2535 + ... + 8887.

It is an arithmetic number, because the mean of its divisors is an integer number (9073512).

Almost surely, 2^36281983 is an apocalyptic number.

36281983 is a deficient number, since it is larger than the sum of its proper divisors (12065).

36281983 is an equidigital number, since it uses as much as digits as its factorization.

36281983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12064.

The product of its digits is 62208, while the sum is 40.

The square root of 36281983 is about 6023.4527473867. The cubic root of 36281983 is about 331.0526016018.

The spelling of 36281983 in words is "thirty-six million, two hundred eighty-one thousand, nine hundred eighty-three".