46132821 has 48 divisors (see below), whose sum is σ = 81221504. Its totient is φ = 25614144.

The previous prime is 46132789. The next prime is 46132837. The reversal of 46132821 is 12823164.

46132821 is a `hidden beast` number, since 4 + 613 + 28 + 21 = 666.

It is not a de Polignac number, because 46132821 - 2⁵ = 46132789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46132841) 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, 62571 + ... + 63303.

Almost surely, 2^46132821 is an apocalyptic number.

It is an amenable number.

46132821 is a deficient number, since it is larger than the sum of its proper divisors (35088683).

46132821 is an equidigital number, since it uses as much as digits as its factorization.

46132821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 780 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 46132821 is about 6792.1146191742. The cubic root of 46132821 is about 358.6493136891.

Adding to 46132821 its reverse (12823164), we get a palindrome (58955985).

The spelling of 46132821 in words is "forty-six million, one hundred thirty-two thousand, eight hundred twenty-one".