36829821 has 12 divisors (see below), whose sum is σ = 57124032. Its totient is φ = 21045528.

The previous prime is 36829817. The next prime is 36829883. The reversal of 36829821 is 12892863.

It is a happy number.

It is not a de Polignac number, because 36829821 - 2² = 36829817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36829821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36829321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125125 + ... + 125418.

It is an arithmetic number, because the mean of its divisors is an integer number (4760336).

Almost surely, 2^36829821 is an apocalyptic number.

It is an amenable number.

36829821 is a deficient number, since it is larger than the sum of its proper divisors (20294211).

36829821 is a wasteful number, since it uses less digits than its factorization.

36829821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250560 (or 250553 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 36829821 is about 6068.7577806335. The cubic root of 36829821 is about 332.7105222661.

The spelling of 36829821 in words is "thirty-six million, eight hundred twenty-nine thousand, eight hundred twenty-one".