36636441 has 4 divisors (see below), whose sum is σ = 48848592. Its totient is φ = 24424292.

The previous prime is 36636407. The next prime is 36636461. The reversal of 36636441 is 14463663.

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 36636441 - 2¹⁷ = 36505369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36636461) 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, 6106071 + ... + 6106076.

It is an arithmetic number, because the mean of its divisors is an integer number (12212148).

Almost surely, 2^36636441 is an apocalyptic number.

It is an amenable number.

36636441 is a deficient number, since it is larger than the sum of its proper divisors (12212151).

36636441 is a wasteful number, since it uses less digits than its factorization.

36636441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12212150.

The product of its digits is 31104, while the sum is 33.

The square root of 36636441 is about 6052.8043913545. The cubic root of 36636441 is about 332.1271861129.

The spelling of 36636441 in words is "thirty-six million, six hundred thirty-six thousand, four hundred forty-one".