2906786266 has 32 divisors (see below), whose sum is σ = 4518028368. Its totient is φ = 1401692160.

The previous prime is 2906786263. The next prime is 2906786297. The reversal of 2906786266 is 6626876092.

It can be written as a sum of positive squares in 8 ways, for example, as 1550705641 + 1356080625 = 39379^2 + 36825^2 .

It is not an unprimeable number, because it can be changed into a prime (2906786263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3965236 + ... + 3965968.

Almost surely, 2^2906786266 is an apocalyptic number.

2906786266 is a deficient number, since it is larger than the sum of its proper divisors (1611242102).

2906786266 is a wasteful number, since it uses less digits than its factorization.

2906786266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The square root of 2906786266 is about 53914.6201507532. The cubic root of 2906786266 is about 1427.1546378516.

The spelling of 2906786266 in words is "two billion, nine hundred six million, seven hundred eighty-six thousand, two hundred sixty-six".