416266387 has 4 divisors (see below), whose sum is σ = 416839696. Its totient is φ = 415693080.

The previous prime is 416266373. The next prime is 416266393. The reversal of 416266387 is 783662614.

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

It is a cyclic number.

It is not a de Polignac number, because 416266387 - 2¹⁵ = 416233619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (416266327) 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, 285564 + ... + 287017.

It is an arithmetic number, because the mean of its divisors is an integer number (104209924).

Almost surely, 2^416266387 is an apocalyptic number.

416266387 is a deficient number, since it is larger than the sum of its proper divisors (573309).

416266387 is an equidigital number, since it uses as much as digits as its factorization.

416266387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573308.

The product of its digits is 290304, while the sum is 43.

The square root of 416266387 is about 20402.6073578844. The cubic root of 416266387 is about 746.6615391026.

The spelling of 416266387 in words is "four hundred sixteen million, two hundred sixty-six thousand, three hundred eighty-seven".