46716821 has 2 divisors, whose sum is σ = 46716822. Its totient is φ = 46716820.

The previous prime is 46716811. The next prime is 46716851. The reversal of 46716821 is 12861764.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46430596 + 286225 = 6814^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 46716821 - 2⁶ = 46716757 is a prime.

It is a super-2 number, since 2×46716821² = 4364922728692082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46716811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23358410 + 23358411.

It is an arithmetic number, because the mean of its divisors is an integer number (23358411).

Almost surely, 2^46716821 is an apocalyptic number.

It is an amenable number.

46716821 is a deficient number, since it is larger than the sum of its proper divisors (1).

46716821 is an equidigital number, since it uses as much as digits as its factorization.

46716821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 46716821 is about 6834.9704461687. The cubic root of 46716821 is about 360.1563646869.

The spelling of 46716821 in words is "forty-six million, seven hundred sixteen thousand, eight hundred twenty-one".