469458889 has 9 divisors (see below), whose sum is σ = 480702631. Its totient is φ = 458473720.

The previous prime is 469458841. The next prime is 469458949. The reversal of 469458889 is 988854964.

The square root of 469458889 is 21667.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 150479289 + 318979600 = 12267^2 + 17860^2 .

It is not a de Polignac number, because 469458889 - 2¹⁵ = 469426121 is a prime.

It is a super-2 number, since 2×469458889² = 440783296922228642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (469458809) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1018119 + ... + 1018579.

Almost surely, 2^469458889 is an apocalyptic number.

469458889 is the 21667-th square number.

469458889 is the 10834-th centered octagonal number.

It is an amenable number.

469458889 is a deficient number, since it is larger than the sum of its proper divisors (11243742).

469458889 is an frugal number, since it uses more digits than its factorization.

469458889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 508 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 61.

The cubic root of 469458889 is about 777.1995173340.

The spelling of 469458889 in words is "four hundred sixty-nine million, four hundred fifty-eight thousand, eight hundred eighty-nine".