464538089 has 4 divisors (see below), whose sum is σ = 465039060. Its totient is φ = 464037120.

The previous prime is 464538079. The next prime is 464538103. The reversal of 464538089 is 980835464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 182466064 + 282072025 = 13508^2 + 16795^2 .

It is a cyclic number.

It is not a de Polignac number, because 464538089 - 2⁸ = 464537833 is a prime.

It is a super-2 number, since 2×464538089² = 431591272263543842, which contains 22 as substring.

It is a Duffinian number.

464538089 is a modest number, since divided by 38089 gives 4645 as remainder.

It is not an unprimeable number, because it can be changed into a prime (464538029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249092 + ... + 250949.

It is an arithmetic number, because the mean of its divisors is an integer number (116259765).

Almost surely, 2^464538089 is an apocalyptic number.

It is an amenable number.

464538089 is a deficient number, since it is larger than the sum of its proper divisors (500971).

464538089 is an equidigital number, since it uses as much as digits as its factorization.

464538089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500970.

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 464538089 is about 21553.1456868829. The cubic root of 464538089 is about 774.4744763305.

The spelling of 464538089 in words is "four hundred sixty-four million, five hundred thirty-eight thousand, eighty-nine".