2947320285 has 144 divisors (see below), whose sum is σ = 6084360576. Its totient is φ = 1192029696.

The previous prime is 2947320281. The next prime is 2947320287. The reversal of 2947320285 is 5820237492.

It is not a de Polignac number, because 2947320285 - 2² = 2947320281 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947320281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 43989822 + ... + 43989888.

It is an arithmetic number, because the mean of its divisors is an integer number (42252504).

Almost surely, 2^2947320285 is an apocalyptic number.

It is an amenable number.

2947320285 is an abundant number, since it is smaller than the sum of its proper divisors (3137040291).

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

2947320285 is a wasteful number, since it uses less digits than its factorization.

2947320285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 2947320285 is about 54289.2280751900. The cubic root of 2947320285 is about 1433.7577476121.

The spelling of 2947320285 in words is "two billion, nine hundred forty-seven million, three hundred twenty thousand, two hundred eighty-five".