489736442 has 16 divisors (see below), whose sum is σ = 837649512. Its totient is φ = 212736000.

The previous prime is 489736439. The next prime is 489736501. The reversal of 489736442 is 244637984.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 277189201 + 212547241 = 16649^2 + 14579^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553559 + ... + 554442.

Almost surely, 2^489736442 is an apocalyptic number.

489736442 is a deficient number, since it is larger than the sum of its proper divisors (347913070).

489736442 is a wasteful number, since it uses less digits than its factorization.

489736442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108033.

The product of its digits is 1161216, while the sum is 47.

The square root of 489736442 is about 22129.9896520536. The cubic root of 489736442 is about 788.2321425610.

The spelling of 489736442 in words is "four hundred eighty-nine million, seven hundred thirty-six thousand, four hundred forty-two".