3216395 has 16 divisors (see below), whose sum is σ = 4751040. Its totient is φ = 2035584.

The previous prime is 3216359. The next prime is 3216403. The reversal of 3216395 is 5936123.

It is a cyclic number.

It is not a de Polignac number, because 3216395 - 2⁶ = 3216331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3080 + ... + 3989.

It is an arithmetic number, because the mean of its divisors is an integer number (296940).

Almost surely, 2^3216395 is an apocalyptic number.

3216395 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3216395 is a deficient number, since it is larger than the sum of its proper divisors (1534645).

3216395 is a wasteful number, since it uses less digits than its factorization.

3216395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7094.

The product of its digits is 4860, while the sum is 29.

The square root of 3216395 is about 1793.4310692078. The cubic root of 3216395 is about 147.6124967692.

The spelling of 3216395 in words is "three million, two hundred sixteen thousand, three hundred ninety-five".