458263989 has 6 divisors (see below), whose sum is σ = 661936886. Its totient is φ = 305509320.

The previous prime is 458263963. The next prime is 458264017. The reversal of 458263989 is 989362854.

It can be written as a sum of positive squares in only one way, i.e., 318622500 + 139641489 = 17850^2 + 11817^2 .

It is not a de Polignac number, because 458263989 - 2¹¹ = 458261941 is a prime.

It is a super-2 number, since 2×458263989² = 420011767228384242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (458263909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25459102 + ... + 25459119.

Almost surely, 2^458263989 is an apocalyptic number.

It is an amenable number.

458263989 is a deficient number, since it is larger than the sum of its proper divisors (203672897).

458263989 is a wasteful number, since it uses less digits than its factorization.

458263989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50918227 (or 50918224 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 458263989 is about 21407.1013684712. The cubic root of 458263989 is about 770.9719490973.

The spelling of 458263989 in words is "four hundred fifty-eight million, two hundred sixty-three thousand, nine hundred eighty-nine".