999214 has 4 divisors (see below), whose sum is σ = 1498824. Its totient is φ = 499606.

The previous prime is 999199. The next prime is 999217. The reversal of 999214 is 412999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412999 = 257 ⋅1607.

It is a self number, because there is not a number n which added to its sum of digits gives 999214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999217) by changing a digit.

999214 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249802 + ... + 249805.

It is an arithmetic number, because the mean of its divisors is an integer number (374706).

2⁹⁹⁹²¹⁴ is an apocalyptic number.

999214 is a deficient number, since it is larger than the sum of its proper divisors (499610).

999214 is a wasteful number, since it uses less digits than its factorization.

999214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499609.

The product of its digits is 5832, while the sum is 34.

The square root of 999214 is about 999.6069227451. The cubic root of 999214 is about 99.9737931326.

The spelling of 999214 in words is "nine hundred ninety-nine thousand, two hundred fourteen".