459898442 has 4 divisors (see below), whose sum is σ = 689847666. Its totient is φ = 229949220.

The previous prime is 459898441. The next prime is 459898447. The reversal of 459898442 is 244898954.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244898954 = 2 ⋅122449477.

It can be written as a sum of positive squares in only one way, i.e., 449906521 + 9991921 = 21211^2 + 3161^2 .

It is not an unprimeable number, because it can be changed into a prime (459898441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114974609 + ... + 114974612.

Almost surely, 2^459898442 is an apocalyptic number.

459898442 is a deficient number, since it is larger than the sum of its proper divisors (229949224).

459898442 is a wasteful number, since it uses less digits than its factorization.

459898442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229949223.

The product of its digits is 3317760, while the sum is 53.

The square root of 459898442 is about 21445.2428757522. The cubic root of 459898442 is about 771.8874492509.

The spelling of 459898442 in words is "four hundred fifty-nine million, eight hundred ninety-eight thousand, four hundred forty-two".