2906897305 has 32 divisors (see below), whose sum is σ = 3972124800. Its totient is φ = 2024497152.

The previous prime is 2906897299. The next prime is 2906897317. The reversal of 2906897305 is 5037986092.

It is a cyclic number.

It is not a de Polignac number, because 2906897305 - 2⁷ = 2906897177 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275161 + ... + 285529.

It is an arithmetic number, because the mean of its divisors is an integer number (124128900).

Almost surely, 2^2906897305 is an apocalyptic number.

It is an amenable number.

2906897305 is a deficient number, since it is larger than the sum of its proper divisors (1065227495).

2906897305 is a wasteful number, since it uses less digits than its factorization.

2906897305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10633.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 2906897305 is about 53915.6499079813. The cubic root of 2906897305 is about 1427.1728100174.

The spelling of 2906897305 in words is "two billion, nine hundred six million, eight hundred ninety-seven thousand, three hundred five".