459820438 has 16 divisors (see below), whose sum is σ = 859924224. Its totient is φ = 179150760.

The previous prime is 459820399. The next prime is 459820447. The reversal of 459820438 is 834028954.

It is a super-2 number, since 2×459820438² = 422869670405023688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 459820394 and 459820403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492770 + ... + 1493077.

It is an arithmetic number, because the mean of its divisors is an integer number (53745264).

Almost surely, 2^459820438 is an apocalyptic number.

459820438 is a deficient number, since it is larger than the sum of its proper divisors (400103786).

459820438 is a wasteful number, since it uses less digits than its factorization.

459820438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985867.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 459820438 is about 21443.4241202286. The cubic root of 459820438 is about 771.8438064902.

The spelling of 459820438 in words is "four hundred fifty-nine million, eight hundred twenty thousand, four hundred thirty-eight".