3316986921 has 16 divisors (see below), whose sum is σ = 4719199040. Its totient is φ = 2066238720.

The previous prime is 3316986901. The next prime is 3316986923. The reversal of 3316986921 is 1296896133.

It is not a de Polignac number, because 3316986921 - 2¹⁷ = 3316855849 is a prime.

It is a super-2 number, since 2×3316986921² = 22004804468170120482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3316986923) 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, 394420 + ... + 402741.

It is an arithmetic number, because the mean of its divisors is an integer number (294949940).

Almost surely, 2^3316986921 is an apocalyptic number.

It is an amenable number.

3316986921 is a deficient number, since it is larger than the sum of its proper divisors (1402212119).

3316986921 is a wasteful number, since it uses less digits than its factorization.

3316986921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797256.

The product of its digits is 419904, while the sum is 48.

The square root of 3316986921 is about 57593.2888538239. The cubic root of 3316986921 is about 1491.3557500994.

The spelling of 3316986921 in words is "three billion, three hundred sixteen million, nine hundred eighty-six thousand, nine hundred twenty-one".