921214 has 16 divisors (see below), whose sum is σ = 1634400. Its totient is φ = 381024.

The previous prime is 921203. The next prime is 921223. The reversal of 921214 is 412129.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 921191 and 921200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729 + ... + 1540.

It is an arithmetic number, because the mean of its divisors is an integer number (102150).

2⁹²¹²¹⁴ is an apocalyptic number.

921214 is a deficient number, since it is larger than the sum of its proper divisors (713186).

921214 is a wasteful number, since it uses less digits than its factorization.

921214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307.

The product of its digits is 144, while the sum is 19.

The square root of 921214 is about 959.7989372780. The cubic root of 921214 is about 97.3016436316.

The spelling of 921214 in words is "nine hundred twenty-one thousand, two hundred fourteen".