2928646988 has 6 divisors (see below), whose sum is σ = 5125132236. Its totient is φ = 1464323492.

The previous prime is 2928646901. The next prime is 2928646993. The reversal of 2928646988 is 8896468292.

It is a self number, because there is not a number n which added to its sum of digits gives 2928646988.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 366080870 + ... + 366080877.

It is an arithmetic number, because the mean of its divisors is an integer number (854188706).

Almost surely, 2^2928646988 is an apocalyptic number.

It is an amenable number.

2928646988 is a deficient number, since it is larger than the sum of its proper divisors (2196485248).

2928646988 is a wasteful number, since it uses less digits than its factorization.

2928646988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732161751 (or 732161749 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 62.

The square root of 2928646988 is about 54116.9750448046. The cubic root of 2928646988 is about 1430.7233838219.

The spelling of 2928646988 in words is "two billion, nine hundred twenty-eight million, six hundred forty-six thousand, nine hundred eighty-eight".