416396881 has 4 divisors (see below), whose sum is σ = 417467700. Its totient is φ = 415326064.

The previous prime is 416396873. The next prime is 416396887. The reversal of 416396881 is 188693614.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 150185025 + 266211856 = 12255^2 + 16316^2 .

It is a cyclic number.

It is not a de Polignac number, because 416396881 - 2³ = 416396873 is a prime.

It is a super-2 number, since 2×416396881² = 346772725013056322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (416396887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534826 + ... + 535603.

It is an arithmetic number, because the mean of its divisors is an integer number (104366925).

Almost surely, 2^416396881 is an apocalyptic number.

It is an amenable number.

416396881 is a deficient number, since it is larger than the sum of its proper divisors (1070819).

416396881 is a wasteful number, since it uses less digits than its factorization.

416396881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070818.

The product of its digits is 248832, while the sum is 46.

The square root of 416396881 is about 20405.8050809077. The cubic root of 416396881 is about 746.7395537860.

The spelling of 416396881 in words is "four hundred sixteen million, three hundred ninety-six thousand, eight hundred eighty-one".