36021642 has 8 divisors (see below), whose sum is σ = 72043296. Its totient is φ = 12007212.

The previous prime is 36021641. The next prime is 36021653. The reversal of 36021642 is 24612063.

It is a sphenic number, since it is the product of 3 distinct primes.

36021642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (36021641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3001798 + ... + 3001809.

It is an arithmetic number, because the mean of its divisors is an integer number (9005412).

Almost surely, 2^36021642 is an apocalyptic number.

36021642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

36021642 is a wasteful number, since it uses less digits than its factorization.

36021642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6003612.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 36021642 is about 6001.8032290304. The cubic root of 36021642 is about 330.2588785880.

It can be divided in two parts, 36021 and 642, that added together give a palindrome (36663).

The spelling of 36021642 in words is "thirty-six million, twenty-one thousand, six hundred forty-two".