3291770916 has 72 divisors (see below), whose sum is σ = 9730745024. Its totient is φ = 918630720.

The previous prime is 3291770899. The next prime is 3291770917. The reversal of 3291770916 is 6190771923.

It is not an unprimeable number, because it can be changed into a prime (3291770917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141055 + ... + 162726.

Almost surely, 2^3291770916 is an apocalyptic number.

3291770916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3291770916 is an abundant number, since it is smaller than the sum of its proper divisors (6438974108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3291770916 is a wasteful number, since it uses less digits than its factorization.

3291770916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303841 (or 303836 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 3291770916 is about 57373.9567748295. The cubic root of 3291770916 is about 1487.5669970154.

The spelling of 3291770916 in words is "three billion, two hundred ninety-one million, seven hundred seventy thousand, nine hundred sixteen".