417664441 has 4 divisors (see below), whose sum is σ = 439646800. Its totient is φ = 395682084.

The previous prime is 417664427. The next prime is 417664447. The reversal of 417664441 is 144466714.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 417664441 - 2⁹ = 417663929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 417664441.

It is not an unprimeable number, because it can be changed into a prime (417664447) 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, 10991151 + ... + 10991188.

It is an arithmetic number, because the mean of its divisors is an integer number (109911700).

Almost surely, 2^417664441 is an apocalyptic number.

It is an amenable number.

417664441 is a deficient number, since it is larger than the sum of its proper divisors (21982359).

417664441 is a wasteful number, since it uses less digits than its factorization.

417664441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21982358.

The product of its digits is 64512, while the sum is 37.

The square root of 417664441 is about 20436.8402890466. The cubic root of 417664441 is about 747.4965065850.

The spelling of 417664441 in words is "four hundred seventeen million, six hundred sixty-four thousand, four hundred forty-one".