489999412 has 18 divisors (see below), whose sum is σ = 997499202. Its totient is φ = 209999664.

The previous prime is 489999409. The next prime is 489999413. The reversal of 489999412 is 214999984.

It can be written as a sum of positive squares in only one way, i.e., 465437476 + 24561936 = 21574^2 + 4956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489999413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1249803 + ... + 1250194.

Almost surely, 2^489999412 is an apocalyptic number.

It is an amenable number.

489999412 is an abundant number, since it is smaller than the sum of its proper divisors (507499790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489999412 is a wasteful number, since it uses less digits than its factorization.

489999412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500015 (or 2500006 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 55.

The square root of 489999412 is about 22135.9303396085. The cubic root of 489999412 is about 788.3732009610.

The spelling of 489999412 in words is "four hundred eighty-nine million, nine hundred ninety-nine thousand, four hundred twelve".