3216949395 has 32 divisors (see below), whose sum is σ = 5859177984. Its totient is φ = 1491916800.

The previous prime is 3216949369. The next prime is 3216949399. The reversal of 3216949395 is 5939496123.

It is not a de Polignac number, because 3216949395 - 2⁸ = 3216949139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3216949399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420046 + ... + 427635.

It is an arithmetic number, because the mean of its divisors is an integer number (183099312).

Almost surely, 2^3216949395 is an apocalyptic number.

3216949395 is a deficient number, since it is larger than the sum of its proper divisors (2642228589).

3216949395 is a wasteful number, since it uses less digits than its factorization.

3216949395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847723.

The product of its digits is 1574640, while the sum is 51.

The square root of 3216949395 is about 56718.1575423603. The cubic root of 3216949395 is about 1476.2097737446.

The spelling of 3216949395 in words is "three billion, two hundred sixteen million, nine hundred forty-nine thousand, three hundred ninety-five".