416881 has 2 divisors, whose sum is σ = 416882. Its totient is φ = 416880.

The previous prime is 416873. The next prime is 416887. The reversal of 416881 is 188614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349281 + 67600 = 591^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 416881 - 2³ = 416873 is a prime.

It is a super-2 number, since 2×416881² = 347579536322, which contains 22 as substring.

416881 is a lucky number.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (416887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208440 + 208441.

It is an arithmetic number, because the mean of its divisors is an integer number (208441).

2⁴¹⁶⁸⁸¹ is an apocalyptic number.

It is an amenable number.

416881 is a deficient number, since it is larger than the sum of its proper divisors (1).

416881 is an equidigital number, since it uses as much as digits as its factorization.

416881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 28.

The square root of 416881 is about 645.6632249091. The cubic root of 416881 is about 74.7028837729.

The spelling of 416881 in words is "four hundred sixteen thousand, eight hundred eighty-one".