7994399 has 6 divisors (see below), whose sum is σ = 9299664. Its totient is φ = 6852300.

The previous prime is 7994377. The next prime is 7994407. The reversal of 7994399 is 9934997.

It is not a de Polignac number, because 7994399 - 2¹⁶ = 7928863 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7994309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81527 + ... + 81624.

It is an arithmetic number, because the mean of its divisors is an integer number (1549944).

Almost surely, 2^7994399 is an apocalyptic number.

7994399 is a deficient number, since it is larger than the sum of its proper divisors (1305265).

7994399 is a wasteful number, since it uses less digits than its factorization.

7994399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163165 (or 163158 counting only the distinct ones).

The product of its digits is 551124, while the sum is 50.

The square root of 7994399 is about 2827.4368251121. The cubic root of 7994399 is about 199.9533141030.

The spelling of 7994399 in words is "seven million, nine hundred ninety-four thousand, three hundred ninety-nine".