3380683720 has 16 divisors (see below), whose sum is σ = 7606538460. Its totient is φ = 1352273472.

The previous prime is 3380683717. The next prime is 3380683721. The reversal of 3380683720 is 273860833.

It can be written as a sum of positive squares in 2 ways, for example, as 3231012964 + 149670756 = 56842^2 + 12234^2 .

It is a super-2 number, since 2×3380683720² = 22858044829346076800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 84517093 = 3380683720 / (3 + 3 + 8 + 0 + 6 + 8 + 3 + 7 + 2 + 0).

It is not an unprimeable number, because it can be changed into a prime (3380683721) 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, 42258507 + ... + 42258586.

Almost surely, 2^3380683720 is an apocalyptic number.

It is an amenable number.

3380683720 is an abundant number, since it is smaller than the sum of its proper divisors (4225854740).

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

3380683720 is a wasteful number, since it uses less digits than its factorization.

3380683720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84517104 (or 84517100 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 3380683720 is about 58143.6472884184. The cubic root of 3380683720 is about 1500.8415603551.

The spelling of 3380683720 in words is "three billion, three hundred eighty million, six hundred eighty-three thousand, seven hundred twenty".