464998989 has 64 divisors (see below), whose sum is σ = 809768960. Its totient is φ = 230480640.

The previous prime is 464998979. The next prime is 464998993. The reversal of 464998989 is 989899464.

It is not a de Polignac number, because 464998989 - 2¹³ = 464990797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464998949) 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 63 ways as a sum of consecutive naturals, for example, 814074 + ... + 814644.

It is an arithmetic number, because the mean of its divisors is an integer number (12652640).

Almost surely, 2^464998989 is an apocalyptic number.

It is an amenable number.

464998989 is a deficient number, since it is larger than the sum of its proper divisors (344769971).

464998989 is a wasteful number, since it uses less digits than its factorization.

464998989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770.

The product of its digits is 40310784, while the sum is 66.

The square root of 464998989 is about 21563.8352108339. The cubic root of 464998989 is about 774.7305280274.

The spelling of 464998989 in words is "four hundred sixty-four million, nine hundred ninety-eight thousand, nine hundred eighty-nine".