489667406 has 4 divisors (see below), whose sum is σ = 734501112. Its totient is φ = 244833702.

The previous prime is 489667391. The next prime is 489667433. The reversal of 489667406 is 604766984.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122416850 + ... + 122416853.

It is an arithmetic number, because the mean of its divisors is an integer number (183625278).

Almost surely, 2^489667406 is an apocalyptic number.

489667406 is a deficient number, since it is larger than the sum of its proper divisors (244833706).

489667406 is a wasteful number, since it uses less digits than its factorization.

489667406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244833705.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The square root of 489667406 is about 22128.4298132515. The cubic root of 489667406 is about 788.1951029435.

The spelling of 489667406 in words is "four hundred eighty-nine million, six hundred sixty-seven thousand, four hundred six".