3947395 has 8 divisors (see below), whose sum is σ = 4817520. Its totient is φ = 3104160.

The previous prime is 3947369. The next prime is 3947401. The reversal of 3947395 is 5937493.

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

It is not a de Polignac number, because 3947395 - 2¹³ = 3939203 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6396 + ... + 6985.

It is an arithmetic number, because the mean of its divisors is an integer number (602190).

Almost surely, 2^3947395 is an apocalyptic number.

3947395 is a deficient number, since it is larger than the sum of its proper divisors (870125).

3947395 is a wasteful number, since it uses less digits than its factorization.

3947395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13445.

The product of its digits is 102060, while the sum is 40.

The square root of 3947395 is about 1986.8052244747. The cubic root of 3947395 is about 158.0411552247.

The spelling of 3947395 in words is "three million, nine hundred forty-seven thousand, three hundred ninety-five".