3021299988 has 96 divisors (see below), whose sum is σ = 8232806400. Its totient is φ = 844525440.

The previous prime is 3021299971. The next prime is 3021299989. The reversal of 3021299988 is 8899921203.

It is a self number, because there is not a number n which added to its sum of digits gives 3021299988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021299989) 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, 1018195 + ... + 1021157.

It is an arithmetic number, because the mean of its divisors is an integer number (85758400).

Almost surely, 2^3021299988 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 3021299988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4116403200).

3021299988 is an abundant number, since it is smaller than the sum of its proper divisors (5211506412).

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

3021299988 is a wasteful number, since it uses less digits than its factorization.

3021299988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237 (or 3235 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 3021299988 is about 54966.3532354112. The cubic root of 3021299988 is about 1445.6548458904.

The spelling of 3021299988 in words is "three billion, twenty-one million, two hundred ninety-nine thousand, nine hundred eighty-eight".