3420706380 has 192 divisors, whose sum is σ = 11906915328. Its totient is φ = 714470400.

The previous prime is 3420706379. The next prime is 3420706409. The reversal of 3420706380 is 836070243.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 548359 + ... + 554561.

It is an arithmetic number, because the mean of its divisors is an integer number (62015184).

Almost surely, 2^3420706380 is an apocalyptic number.

3420706380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3420706380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5953457664).

3420706380 is an abundant number, since it is smaller than the sum of its proper divisors (8486208948).

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

3420706380 is a wasteful number, since it uses less digits than its factorization.

3420706380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336 (or 6334 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 3420706380 is about 58486.8051786042. The cubic root of 3420706380 is about 1506.7409763342.

The spelling of 3420706380 in words is "three billion, four hundred twenty million, seven hundred six thousand, three hundred eighty".