3205397292 has 12 divisors (see below), whose sum is σ = 7479260376. Its totient is φ = 1068465760.

The previous prime is 3205397287. The next prime is 3205397309. The reversal of 3205397292 is 2927935023.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 133558209 + ... + 133558232.

It is an arithmetic number, because the mean of its divisors is an integer number (623271698).

Almost surely, 2^3205397292 is an apocalyptic number.

It is an amenable number.

3205397292 is an abundant number, since it is smaller than the sum of its proper divisors (4273863084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3205397292 is a wasteful number, since it uses less digits than its factorization.

3205397292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267116448 (or 267116446 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 3205397292 is about 56616.2281682558. The cubic root of 3205397292 is about 1474.4406255051.

The spelling of 3205397292 in words is "three billion, two hundred five million, three hundred ninety-seven thousand, two hundred ninety-two".