7828214 has 4 divisors (see below), whose sum is σ = 11742324. Its totient is φ = 3914106.

The previous prime is 7828199. The next prime is 7828217. The reversal of 7828214 is 4128287.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×7828214² = 122561868859592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7828217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1957052 + ... + 1957055.

It is an arithmetic number, because the mean of its divisors is an integer number (2935581).

Almost surely, 2^7828214 is an apocalyptic number.

7828214 is a deficient number, since it is larger than the sum of its proper divisors (3914110).

7828214 is a wasteful number, since it uses less digits than its factorization.

7828214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914109.

The product of its digits is 7168, while the sum is 32.

The square root of 7828214 is about 2797.8945655618. The cubic root of 7828214 is about 198.5580793065.

The spelling of 7828214 in words is "seven million, eight hundred twenty-eight thousand, two hundred fourteen".