3280739780 has 24 divisors (see below), whose sum is σ = 7189100352. Its totient is φ = 1255239392.

The previous prime is 3280739779. The next prime is 3280739789. The reversal of 3280739780 is 879370823.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3280739789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3565562 + ... + 3566481.

It is an arithmetic number, because the mean of its divisors is an integer number (299545848).

Almost surely, 2^3280739780 is an apocalyptic number.

It is an amenable number.

3280739780 is an abundant number, since it is smaller than the sum of its proper divisors (3908360572).

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

3280739780 is a wasteful number, since it uses less digits than its factorization.

3280739780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7132075 (or 7132073 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 3280739780 is about 57277.7424485288. The cubic root of 3280739780 is about 1485.9034630463.

The spelling of 3280739780 in words is "three billion, two hundred eighty million, seven hundred thirty-nine thousand, seven hundred eighty".