457682389 has 4 divisors (see below), whose sum is σ = 461881420. Its totient is φ = 453483360.

The previous prime is 457682387. The next prime is 457682441. The reversal of 457682389 is 983286754.

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

It can be written as a sum of positive squares in 2 ways, for example, as 169260100 + 288422289 = 13010^2 + 16983^2 .

It is a cyclic number.

It is not a de Polignac number, because 457682389 - 2¹ = 457682387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457682383) 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, 2099352 + ... + 2099569.

It is an arithmetic number, because the mean of its divisors is an integer number (115470355).

Almost surely, 2^457682389 is an apocalyptic number.

It is an amenable number.

457682389 is a deficient number, since it is larger than the sum of its proper divisors (4199031).

457682389 is a wasteful number, since it uses less digits than its factorization.

457682389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199030.

The product of its digits is 2903040, while the sum is 52.

The square root of 457682389 is about 21393.5127784102. The cubic root of 457682389 is about 770.6456545576.

The spelling of 457682389 in words is "four hundred fifty-seven million, six hundred eighty-two thousand, three hundred eighty-nine".