8078399 has 8 divisors (see below), whose sum is σ = 9359520. Its totient is φ = 6829056.

The previous prime is 8078387. The next prime is 8078429. The reversal of 8078399 is 9938708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8078399 - 2⁸ = 8078143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8078299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7394 + ... + 8415.

It is an arithmetic number, because the mean of its divisors is an integer number (1169940).

Almost surely, 2^8078399 is an apocalyptic number.

8078399 is a deficient number, since it is larger than the sum of its proper divisors (1281121).

8078399 is a wasteful number, since it uses less digits than its factorization.

8078399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15889.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 8078399 is about 2842.2524518417. The cubic root of 8078399 is about 200.6512023761.

The spelling of 8078399 in words is "eight million, seventy-eight thousand, three hundred ninety-nine".