999162 has 16 divisors (see below), whose sum is σ = 2220480. Its totient is φ = 333036.

The previous prime is 999149. The next prime is 999169. The reversal of 999162 is 261999.

It is a super-4 number, since 4×999162⁴ (a number of 25 digits) contains 4444 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 999162.

It is not an unprimeable number, because it can be changed into a prime (999169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9198 + ... + 9305.

It is an arithmetic number, because the mean of its divisors is an integer number (138780).

2⁹⁹⁹¹⁶² is an apocalyptic number.

999162 is an abundant number, since it is smaller than the sum of its proper divisors (1221318).

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

999162 is a wasteful number, since it uses less digits than its factorization.

999162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18514 (or 18508 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 999162 is about 999.5809121827. The cubic root of 999162 is about 99.9720588603.

It can be divided in two parts, 99 and 9162, that added together give a cube (9261 = 21³).

The spelling of 999162 in words is "nine hundred ninety-nine thousand, one hundred sixty-two".