416441643 has 4 divisors (see below), whose sum is σ = 555255528. Its totient is φ = 277627760.

The previous prime is 416441629. The next prime is 416441659. The reversal of 416441643 is 346144614.

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 416441643 - 2¹² = 416437547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (416441603) 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, 69406938 + ... + 69406943.

It is an arithmetic number, because the mean of its divisors is an integer number (138813882).

Almost surely, 2^416441643 is an apocalyptic number.

416441643 is a deficient number, since it is larger than the sum of its proper divisors (138813885).

416441643 is a wasteful number, since it uses less digits than its factorization.

416441643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138813884.

The product of its digits is 27648, while the sum is 33.

The square root of 416441643 is about 20406.9018471693. The cubic root of 416441643 is about 746.7663105972.

The spelling of 416441643 in words is "four hundred sixteen million, four hundred forty-one thousand, six hundred forty-three".