36841021 has 4 divisors (see below), whose sum is σ = 42104032. Its totient is φ = 31578012.

The previous prime is 36841003. The next prime is 36841037. The reversal of 36841021 is 12014863.

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 36841021 - 2¹¹ = 36838973 is a prime.

It is a super-3 number, since 3×36841021³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36841061) 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, 2631495 + ... + 2631508.

It is an arithmetic number, because the mean of its divisors is an integer number (10526008).

Almost surely, 2^36841021 is an apocalyptic number.

It is an amenable number.

36841021 is a deficient number, since it is larger than the sum of its proper divisors (5263011).

36841021 is an equidigital number, since it uses as much as digits as its factorization.

36841021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263010.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 36841021 is about 6069.6804693493. The cubic root of 36841021 is about 332.7442447595.

Adding to 36841021 its reverse (12014863), we get a palindrome (48855884).

The spelling of 36841021 in words is "thirty-six million, eight hundred forty-one thousand, twenty-one".