7971214 has 8 divisors (see below), whose sum is σ = 11986488. Its totient is φ = 3975720.

The previous prime is 7971209. The next prime is 7971217. The reversal of 7971214 is 4121797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7971217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3892 + ... + 5575.

It is an arithmetic number, because the mean of its divisors is an integer number (1498311).

Almost surely, 2^7971214 is an apocalyptic number.

7971214 is a deficient number, since it is larger than the sum of its proper divisors (4015274).

7971214 is a wasteful number, since it uses less digits than its factorization.

7971214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9890.

The product of its digits is 3528, while the sum is 31.

The square root of 7971214 is about 2823.3338449429. Note that the first 3 decimals coincide. The cubic root of 7971214 is about 199.7598283701.

The spelling of 7971214 in words is "seven million, nine hundred seventy-one thousand, two hundred fourteen".