458430394 has 8 divisors (see below), whose sum is σ = 687896820. Its totient is φ = 229131456.

The previous prime is 458430373. The next prime is 458430397. The reversal of 458430394 is 493034854.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 449991369 + 8439025 = 21213^2 + 2905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×458430394² = 420316852285990472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (458430397) 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 in 3 ways as a sum of consecutive naturals, for example, 34789 + ... + 46120.

Almost surely, 2^458430394 is an apocalyptic number.

458430394 is a deficient number, since it is larger than the sum of its proper divisors (229466426).

458430394 is a wasteful number, since it uses less digits than its factorization.

458430394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83744.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 458430394 is about 21410.9876932383. The cubic root of 458430394 is about 771.0652563501.

The spelling of 458430394 in words is "four hundred fifty-eight million, four hundred thirty thousand, three hundred ninety-four".