2921296828 has 12 divisors (see below), whose sum is σ = 5112696960. Its totient is φ = 1460526272.

The previous prime is 2921296793. The next prime is 2921296843. The reversal of 2921296828 is 8286921292.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42900 + ... + 87652.

It is an arithmetic number, because the mean of its divisors is an integer number (426058080).

Almost surely, 2^2921296828 is an apocalyptic number.

It is an amenable number.

2921296828 is a deficient number, since it is larger than the sum of its proper divisors (2191400132).

2921296828 is a wasteful number, since it uses less digits than its factorization.

2921296828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61076 (or 61074 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 2921296828 is about 54049.0224518446. The cubic root of 2921296828 is about 1429.5254636844.

The spelling of 2921296828 in words is "two billion, nine hundred twenty-one million, two hundred ninety-six thousand, eight hundred twenty-eight".