469987444 has 12 divisors (see below), whose sum is σ = 823083268. Its totient is φ = 234820800.

The previous prime is 469987433. The next prime is 469987447. The reversal of 469987444 is 444789964.

It can be written as a sum of positive squares in 2 ways, for example, as 368179344 + 101808100 = 19188^2 + 10090^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469987447) 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, 37017 + ... + 48064.

Almost surely, 2^469987444 is an apocalyptic number.

It is an amenable number.

469987444 is a deficient number, since it is larger than the sum of its proper divisors (353095824).

469987444 is a wasteful number, since it uses less digits than its factorization.

469987444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86466 (or 86464 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 55.

The square root of 469987444 is about 21679.1938041985. The cubic root of 469987444 is about 777.4910860804.

The spelling of 469987444 in words is "four hundred sixty-nine million, nine hundred eighty-seven thousand, four hundred forty-four".