999506214 has 36 divisors (see below), whose sum is σ = 2519165844. Its totient is φ = 285572952.

The previous prime is 999506213. The next prime is 999506227. The reversal of 999506214 is 412605999.

It is a super-2 number, since 2×999506214² = 1998025343649227592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 999506214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999506213) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 565732 + ... + 567495.

It is an arithmetic number, because the mean of its divisors is an integer number (69976829).

Almost surely, 2^999506214 is an apocalyptic number.

999506214 is an abundant number, since it is smaller than the sum of its proper divisors (1519659630).

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

999506214 is a wasteful number, since it uses less digits than its factorization.

999506214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133249 (or 1133239 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 999506214 is about 31614.9681954608. The cubic root of 999506214 is about 999.8353775676.

The spelling of 999506214 in words is "nine hundred ninety-nine million, five hundred six thousand, two hundred fourteen".