457216689 has 8 divisors (see below), whose sum is σ = 610525440. Its totient is φ = 304359536.

The previous prime is 457216681. The next prime is 457216693. The reversal of 457216689 is 986612754.

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 457216689 - 2³ = 457216681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (457216681) 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, 110529 + ... + 114590.

It is an arithmetic number, because the mean of its divisors is an integer number (76315680).

Almost surely, 2^457216689 is an apocalyptic number.

It is an amenable number.

457216689 is a deficient number, since it is larger than the sum of its proper divisors (153308751).

457216689 is a wasteful number, since it uses less digits than its factorization.

457216689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225799.

The product of its digits is 725760, while the sum is 48.

The square root of 457216689 is about 21382.6258677460. The cubic root of 457216689 is about 770.3841839509.

The spelling of 457216689 in words is "four hundred fifty-seven million, two hundred sixteen thousand, six hundred eighty-nine".