415980866 has 16 divisors (see below), whose sum is σ = 716734656. Its totient is φ = 177371376.

The previous prime is 415980863. The next prime is 415980869. The reversal of 415980866 is 668089514.

It is an interprime number because it is at equal distance from previous prime (415980863) and next prime (415980869).

It is a self number, because there is not a number n which added to its sum of digits gives 415980866.

It is not an unprimeable number, because it can be changed into a prime (415980863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72656 + ... + 78171.

It is an arithmetic number, because the mean of its divisors is an integer number (44795916).

Almost surely, 2^415980866 is an apocalyptic number.

415980866 is a deficient number, since it is larger than the sum of its proper divisors (300753790).

415980866 is a wasteful number, since it uses less digits than its factorization.

415980866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151033.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 415980866 is about 20395.6089882112. The cubic root of 415980866 is about 746.4907860167.

The spelling of 415980866 in words is "four hundred fifteen million, nine hundred eighty thousand, eight hundred sixty-six".