2921047208 has 16 divisors (see below), whose sum is σ = 5488851060. Its totient is φ = 1457353600.

The previous prime is 2921047201. The next prime is 2921047237. The reversal of 2921047208 is 8027401292.

It can be written as a sum of positive squares in 2 ways, for example, as 2916216004 + 4831204 = 54002^2 + 2198^2 .

It is not an unprimeable number, because it can be changed into a prime (2921047201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392333 + ... + 399708.

Almost surely, 2^2921047208 is an apocalyptic number.

It is an amenable number.

2921047208 is a deficient number, since it is larger than the sum of its proper divisors (2567803852).

2921047208 is a wasteful number, since it uses less digits than its factorization.

2921047208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792508 (or 792504 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 2921047208 is about 54046.7132025621. The cubic root of 2921047208 is about 1429.4847456595.

The spelling of 2921047208 in words is "two billion, nine hundred twenty-one million, forty-seven thousand, two hundred eight".