3291906106 has 4 divisors (see below), whose sum is σ = 4937859162. Its totient is φ = 1645953052.

The previous prime is 3291906083. The next prime is 3291906133. The reversal of 3291906106 is 6016091923.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2024190081 + 1267716025 = 44991^2 + 35605^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 822976525 + ... + 822976528.

Almost surely, 2^3291906106 is an apocalyptic number.

3291906106 is a deficient number, since it is larger than the sum of its proper divisors (1645953056).

3291906106 is a wasteful number, since it uses less digits than its factorization.

3291906106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645953055.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 3291906106 is about 57375.1349105168. The cubic root of 3291906106 is about 1487.5873610721.

The spelling of 3291906106 in words is "three billion, two hundred ninety-one million, nine hundred six thousand, one hundred six".