2928314861 has 8 divisors (see below), whose sum is σ = 2960872824. Its totient is φ = 2895805440.

The previous prime is 2928314801. The next prime is 2928314867. The reversal of 2928314861 is 1684138292.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 534072100 + 2394242761 = 23110^2 + 48931^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2928314861 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 (2928314867) 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, 116711 + ... + 139563.

It is an arithmetic number, because the mean of its divisors is an integer number (370109103).

Almost surely, 2^2928314861 is an apocalyptic number.

It is an amenable number.

2928314861 is a deficient number, since it is larger than the sum of its proper divisors (32557963).

2928314861 is a wasteful number, since it uses less digits than its factorization.

2928314861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24271.

The product of its digits is 165888, while the sum is 44.

The square root of 2928314861 is about 54113.9063550212. The cubic root of 2928314861 is about 1430.6692974320.

It can be divided in two parts, 29283 and 14861, that added together give a palindrome (44144).

The spelling of 2928314861 in words is "two billion, nine hundred twenty-eight million, three hundred fourteen thousand, eight hundred sixty-one".