36836421 has 8 divisors (see below), whose sum is σ = 51700320. Its totient is φ = 23265072.

The previous prime is 36836419. The next prime is 36836447. The reversal of 36836421 is 12463863.

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

It is not a de Polignac number, because 36836421 - 2¹ = 36836419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36836411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323070 + ... + 323183.

It is an arithmetic number, because the mean of its divisors is an integer number (6462540).

Almost surely, 2^36836421 is an apocalyptic number.

It is an amenable number.

36836421 is a deficient number, since it is larger than the sum of its proper divisors (14863899).

36836421 is a wasteful number, since it uses less digits than its factorization.

36836421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646275.

The product of its digits is 20736, while the sum is 33.

The square root of 36836421 is about 6069.3015248874. The cubic root of 36836421 is about 332.7303952769.

The spelling of 36836421 in words is "thirty-six million, eight hundred thirty-six thousand, four hundred twenty-one".