8121914 has 16 divisors (see below), whose sum is σ = 12678120. Its totient is φ = 3897600.

The previous prime is 8121901. The next prime is 8121923. The reversal of 8121914 is 4191218.

It can be written as a sum of positive squares in 4 ways, for example, as 7155625 + 966289 = 2675^2 + 983^2 .

8121914 is a modest number, since divided by 1914 gives 812 as remainder.

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, 13214 + ... + 13814.

Almost surely, 2^8121914 is an apocalyptic number.

8121914 is a deficient number, since it is larger than the sum of its proper divisors (4556206).

8121914 is a wasteful number, since it uses less digits than its factorization.

8121914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865.

The product of its digits is 576, while the sum is 26.

The square root of 8121914 is about 2849.8971911281. The cubic root of 8121914 is about 201.0108324814.

The spelling of 8121914 in words is "eight million, one hundred twenty-one thousand, nine hundred fourteen".