36281982 has 32 divisors (see below), whose sum is σ = 83329920. Its totient is φ = 10415520.

The previous prime is 36281969. The next prime is 36281989. The reversal of 36281982 is 28918263.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 36281982.

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 15 ways as a sum of consecutive naturals, for example, 13213 + ... + 15720.

It is an arithmetic number, because the mean of its divisors is an integer number (2604060).

Almost surely, 2^36281982 is an apocalyptic number.

36281982 is an abundant number, since it is smaller than the sum of its proper divisors (47047938).

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

36281982 is a wasteful number, since it uses less digits than its factorization.

36281982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28968.

The product of its digits is 41472, while the sum is 39.

The square root of 36281982 is about 6023.4526643778. The cubic root of 36281982 is about 331.0525985604.

The spelling of 36281982 in words is "thirty-six million, two hundred eighty-one thousand, nine hundred eighty-two".