2986620672 has 144 divisors (see below), whose sum is σ = 9116174592. Its totient is φ = 850329600.

The previous prime is 2986620671. The next prime is 2986620683. The reversal of 2986620672 is 2760266892.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2986620671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1864672 + ... + 1866272.

It is an arithmetic number, because the mean of its divisors is an integer number (63306768).

Almost surely, 2^2986620672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2986620672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4558087296).

2986620672 is an abundant number, since it is smaller than the sum of its proper divisors (6129553920).

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

2986620672 is a wasteful number, since it uses less digits than its factorization.

2986620672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974 (or 1960 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 2986620672 is about 54649.9832753863. The cubic root of 2986620672 is about 1440.1023384058.

The spelling of 2986620672 in words is "two billion, nine hundred eighty-six million, six hundred twenty thousand, six hundred seventy-two".