3146982720 has 224 divisors, whose sum is σ = 11474915328. Its totient is φ = 715794432.

The previous prime is 3146982703. The next prime is 3146982721. The reversal of 3146982720 is 272896413.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3146982721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1524409 + ... + 1526471.

Almost surely, 2^3146982720 is an apocalyptic number.

3146982720 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 3146982720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5737457664).

3146982720 is an abundant number, since it is smaller than the sum of its proper divisors (8327932608).

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

3146982720 is a wasteful number, since it uses less digits than its factorization.

3146982720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317 (or 2307 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 3146982720 is about 56097.9742949779. The cubic root of 3146982720 is about 1465.4290146661.

The spelling of 3146982720 in words is "three billion, one hundred forty-six million, nine hundred eighty-two thousand, seven hundred twenty".