2987813628 has 30 divisors (see below), whose sum is σ = 7810735856. Its totient is φ = 995937768.

The previous prime is 2987813581. The next prime is 2987813629. The reversal of 2987813628 is 8263187892.

It is a happy number.

2987813628 is a `hidden beast` number, since 2 + 9 + 8 + 7 + 8 + 1 + 3 + 628 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987813629) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 4610500 + ... + 4611147.

Almost surely, 2^2987813628 is an apocalyptic number.

It is an amenable number.

2987813628 is an abundant number, since it is smaller than the sum of its proper divisors (4822922228).

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

2987813628 is a wasteful number, since it uses less digits than its factorization.

2987813628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9221663 (or 9221652 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 2987813628 is about 54660.8966995603. The cubic root of 2987813628 is about 1440.2940545320.

The spelling of 2987813628 in words is "two billion, nine hundred eighty-seven million, eight hundred thirteen thousand, six hundred twenty-eight".