8340994 has 4 divisors (see below), whose sum is σ = 12511494. Its totient is φ = 4170496.

The previous prime is 8340989. The next prime is 8341001. The reversal of 8340994 is 4990438.

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

It can be written as a sum of positive squares in only one way, i.e., 7102225 + 1238769 = 2665^2 + 1113^2 .

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, 2085247 + ... + 2085250.

Almost surely, 2^8340994 is an apocalyptic number.

8340994 is a deficient number, since it is larger than the sum of its proper divisors (4170500).

8340994 is a wasteful number, since it uses less digits than its factorization.

8340994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170499.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 8340994 is about 2888.0779075364. The cubic root of 8340994 is about 202.8021724549.

The spelling of 8340994 in words is "eight million, three hundred forty thousand, nine hundred ninety-four".