3347721846 has 128 divisors (see below), whose sum is σ = 8820864000. Its totient is φ = 940494240.

The previous prime is 3347721827. The next prime is 3347721857. The reversal of 3347721846 is 6481277433.

It is a super-2 number, since 2×3347721846² = 22414483116371295432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1128361 + ... + 1131323.

It is an arithmetic number, because the mean of its divisors is an integer number (68913000).

Almost surely, 2^3347721846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3347721846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4410432000).

3347721846 is an abundant number, since it is smaller than the sum of its proper divisors (5473142154).

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

3347721846 is a wasteful number, since it uses less digits than its factorization.

3347721846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056 (or 3036 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 3347721846 is about 57859.5009138517. The cubic root of 3347721846 is about 1495.9478552725.

The spelling of 3347721846 in words is "three billion, three hundred forty-seven million, seven hundred twenty-one thousand, eight hundred forty-six".