2921047620 has 96 divisors (see below), whose sum is σ = 8657953920. Its totient is φ = 734576640.

The previous prime is 2921047553. The next prime is 2921047637. The reversal of 2921047620 is 267401292.

It is a super-3 number, since 3×2921047620³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55300 + ... + 94340.

It is an arithmetic number, because the mean of its divisors is an integer number (90187020).

Almost surely, 2^2921047620 is an apocalyptic number.

2921047620 is a gapful number since it is divisible by the number (20) 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 2921047620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4328976960).

2921047620 is an abundant number, since it is smaller than the sum of its proper divisors (5736906300).

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

2921047620 is a wasteful number, since it uses less digits than its factorization.

2921047620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39125 (or 39123 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2921047620 is about 54046.7170140796. The cubic root of 2921047620 is about 1429.4848128669.

The spelling of 2921047620 in words is "two billion, nine hundred twenty-one million, forty-seven thousand, six hundred twenty".