3280307986 has 8 divisors (see below), whose sum is σ = 4920890940. Its totient is φ = 1640011008.

The previous prime is 3280307983. The next prime is 3280307993. The reversal of 3280307986 is 6897030823.

It can be written as a sum of positive squares in 2 ways, for example, as 2869637761 + 410670225 = 53569^2 + 20265^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3280307983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40051 + ... + 90358.

Almost surely, 2^3280307986 is an apocalyptic number.

3280307986 is a deficient number, since it is larger than the sum of its proper divisors (1640582954).

3280307986 is a wasteful number, since it uses less digits than its factorization.

3280307986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142988.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 3280307986 is about 57273.9730244026. The cubic root of 3280307986 is about 1485.8382712102.

The spelling of 3280307986 in words is "three billion, two hundred eighty million, three hundred seven thousand, nine hundred eighty-six".