3939395 has 4 divisors (see below), whose sum is σ = 4727280. Its totient is φ = 3151512.

The previous prime is 3939379. The next prime is 3939421. The reversal of 3939395 is 5939393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5939393 = 113 ⋅52561.

It is a cyclic number.

It is not a de Polignac number, because 3939395 - 2⁴ = 3939379 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393935 + ... + 393944.

It is an arithmetic number, because the mean of its divisors is an integer number (1181820).

Almost surely, 2^3939395 is an apocalyptic number.

3939395 is a deficient number, since it is larger than the sum of its proper divisors (787885).

3939395 is an equidigital number, since it uses as much as digits as its factorization.

3939395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787884.

The product of its digits is 98415, while the sum is 41.

The square root of 3939395 is about 1984.7909209788. The cubic root of 3939395 is about 157.9343181568.

It can be divided in two parts, 3939 and 395, that added together give a palindrome (4334).

The spelling of 3939395 in words is "three million, nine hundred thirty-nine thousand, three hundred ninety-five".