7944214 has 4 divisors (see below), whose sum is σ = 11916324. Its totient is φ = 3972106.

The previous prime is 7944197. The next prime is 7944221. The reversal of 7944214 is 4124497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4124497 = 13 ⋅317269.

It is a super-2 number, since 2×7944214² = 126221072155592, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1986052 + ... + 1986055.

It is an arithmetic number, because the mean of its divisors is an integer number (2979081).

Almost surely, 2^7944214 is an apocalyptic number.

7944214 is a deficient number, since it is larger than the sum of its proper divisors (3972110).

7944214 is a wasteful number, since it uses less digits than its factorization.

7944214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972109.

The product of its digits is 8064, while the sum is 31.

The square root of 7944214 is about 2818.5482078545. The cubic root of 7944214 is about 199.5340318783.

The spelling of 7944214 in words is "seven million, nine hundred forty-four thousand, two hundred fourteen".