7971395 has 4 divisors (see below), whose sum is σ = 9565680. Its totient is φ = 6377112.

The previous prime is 7971389. The next prime is 7971401. The reversal of 7971395 is 5931797.

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

It is an interprime number because it is at equal distance from previous prime (7971389) and next prime (7971401).

It is a cyclic number.

It is not a de Polignac number, because 7971395 - 2⁶ = 7971331 is a prime.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 797135 + ... + 797144.

It is an arithmetic number, because the mean of its divisors is an integer number (2391420).

Almost surely, 2^7971395 is an apocalyptic number.

7971395 is a deficient number, since it is larger than the sum of its proper divisors (1594285).

7971395 is a wasteful number, since it uses less digits than its factorization.

7971395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594284.

The product of its digits is 59535, while the sum is 41.

The square root of 7971395 is about 2823.3658990644. The cubic root of 7971395 is about 199.7613403211.

The spelling of 7971395 in words is "seven million, nine hundred seventy-one thousand, three hundred ninety-five".