2928388247 has 8 divisors (see below), whose sum is σ = 3025511040. Its totient is φ = 2831431680.

The previous prime is 2928388219. The next prime is 2928388367. The reversal of 2928388247 is 7428838292.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2928388247 - 2¹⁶ = 2928322711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928388217) 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 7 ways as a sum of consecutive naturals, for example, 5222 + ... + 76707.

It is an arithmetic number, because the mean of its divisors is an integer number (378188880).

Almost surely, 2^2928388247 is an apocalyptic number.

2928388247 is a deficient number, since it is larger than the sum of its proper divisors (97122793).

2928388247 is a wasteful number, since it uses less digits than its factorization.

2928388247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83113.

The product of its digits is 3096576, while the sum is 53.

The square root of 2928388247 is about 54114.5844204684. The cubic root of 2928388247 is about 1430.6812485853.

The spelling of 2928388247 in words is "two billion, nine hundred twenty-eight million, three hundred eighty-eight thousand, two hundred forty-seven".