416679991 has 8 divisors (see below), whose sum is σ = 512837024. Its totient is φ = 329680800.

The previous prime is 416679961. The next prime is 416680001. The reversal of 416679991 is 199976614.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 416679991 - 2⁹ = 416679479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416679941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2289360 + ... + 2289541.

It is an arithmetic number, because the mean of its divisors is an integer number (64104628).

Almost surely, 2^416679991 is an apocalyptic number.

416679991 is a deficient number, since it is larger than the sum of its proper divisors (96157033).

416679991 is a wasteful number, since it uses less digits than its factorization.

416679991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578921.

The product of its digits is 734832, while the sum is 52.

The square root of 416679991 is about 20412.7408987622. The cubic root of 416679991 is about 746.9087525721.

The spelling of 416679991 in words is "four hundred sixteen million, six hundred seventy-nine thousand, nine hundred ninety-one".