999460 has 72 divisors (see below), whose sum is σ = 2681280. Its totient is φ = 306240.

The previous prime is 999451. The next prime is 999491. The reversal of 999460 is 64999.

999460 = 60² + 61² + ... + 147².

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16911 + ... + 16969.

It is an arithmetic number, because the mean of its divisors is an integer number (37240).

2⁹⁹⁹⁴⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340640).

999460 is an abundant number, since it is smaller than the sum of its proper divisors (1681820).

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

999460 is a wasteful number, since it uses less digits than its factorization.

999460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 999460 is about 999.7299635402. The cubic root of 999460 is about 99.9819967590.

It can be divided in two parts, 99 and 9460, that added together give a palindrome (9559).

The spelling of 999460 in words is "nine hundred ninety-nine thousand, four hundred sixty".