457286889 has 16 divisors (see below), whose sum is σ = 642358080. Its totient is φ = 288564480.

The previous prime is 457286887. The next prime is 457286909. The reversal of 457286889 is 988682754.

It is not a de Polignac number, because 457286889 - 2¹ = 457286887 is a prime.

It is a super-2 number, since 2×457286889² = 418222597702596642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (457286881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81709 + ... + 87125.

It is an arithmetic number, because the mean of its divisors is an integer number (40147380).

Almost surely, 2^457286889 is an apocalyptic number.

It is an amenable number.

457286889 is a deficient number, since it is larger than the sum of its proper divisors (185071191).

457286889 is a wasteful number, since it uses less digits than its factorization.

457286889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6920.

The product of its digits is 7741440, while the sum is 57.

The square root of 457286889 is about 21384.2673243672. The cubic root of 457286889 is about 770.4236096058.

The spelling of 457286889 in words is "four hundred fifty-seven million, two hundred eighty-six thousand, eight hundred eighty-nine".