3995390 has 16 divisors (see below), whose sum is σ = 8219232. Its totient is φ = 1369824.

The previous prime is 3995351. The next prime is 3995413. The reversal of 3995390 is 935993.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28469 + ... + 28608.

It is an arithmetic number, because the mean of its divisors is an integer number (513702).

Almost surely, 2^3995390 is an apocalyptic number.

3995390 is an abundant number, since it is smaller than the sum of its proper divisors (4223842).

3995390 is a wasteful number, since it uses less digits than its factorization.

3995390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57091.

The product of its (nonzero) digits is 32805, while the sum is 38.

The square root of 3995390 is about 1998.8471677444. The cubic root of 3995390 is about 158.6790990972.

The spelling of 3995390 in words is "three million, nine hundred ninety-five thousand, three hundred ninety".