7994391 has 8 divisors (see below), whose sum is σ = 10690800. Its totient is φ = 5313792.

The previous prime is 7994377. The next prime is 7994407. The reversal of 7994391 is 1934997.

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

It is not a de Polignac number, because 7994391 - 2⁷ = 7994263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7994321) 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, 2716 + ... + 4833.

It is an arithmetic number, because the mean of its divisors is an integer number (1336350).

Almost surely, 2^7994391 is an apocalyptic number.

7994391 is a deficient number, since it is larger than the sum of its proper divisors (2696409).

7994391 is a wasteful number, since it uses less digits than its factorization.

7994391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7905.

The product of its digits is 61236, while the sum is 42.

The square root of 7994391 is about 2827.4354104029. The cubic root of 7994391 is about 199.9532474052.

It can be divided in two parts, 7994 and 391, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 7994391 in words is "seven million, nine hundred ninety-four thousand, three hundred ninety-one".