46636821 has 48 divisors (see below), whose sum is σ = 84689280. Its totient is φ = 24024960.

The previous prime is 46636819. The next prime is 46636861. The reversal of 46636821 is 12863664.

It is not a de Polignac number, because 46636821 - 2¹ = 46636819 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 (46636861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119695 + ... + 120083.

It is an arithmetic number, because the mean of its divisors is an integer number (1764360).

Almost surely, 2^46636821 is an apocalyptic number.

It is an amenable number.

46636821 is a deficient number, since it is larger than the sum of its proper divisors (38052459).

46636821 is a wasteful number, since it uses less digits than its factorization.

46636821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 583 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 46636821 is about 6829.1156821363. The cubic root of 46636821 is about 359.9506645355.

The spelling of 46636821 in words is "forty-six million, six hundred thirty-six thousand, eight hundred twenty-one".