36382821 has 4 divisors (see below), whose sum is σ = 48510432. Its totient is φ = 24255212.

The previous prime is 36382817. The next prime is 36382823. The reversal of 36382821 is 12828363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36382821 - 2² = 36382817 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36382823) 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, 6063801 + ... + 6063806.

It is an arithmetic number, because the mean of its divisors is an integer number (12127608).

Almost surely, 2^36382821 is an apocalyptic number.

It is an amenable number.

36382821 is a deficient number, since it is larger than the sum of its proper divisors (12127611).

36382821 is a wasteful number, since it uses less digits than its factorization.

36382821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12127610.

The product of its digits is 13824, while the sum is 33.

The square root of 36382821 is about 6031.8173878194. The cubic root of 36382821 is about 331.3590145050.

The spelling of 36382821 in words is "thirty-six million, three hundred eighty-two thousand, eight hundred twenty-one".