2949276838 has 16 divisors (see below), whose sum is σ = 4478649840. Its totient is φ = 1456430976.

The previous prime is 2949276833. The next prime is 2949276851. The reversal of 2949276838 is 8386729492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2949276833) 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, 157945 + ... + 175627.

It is an arithmetic number, because the mean of its divisors is an integer number (279915615).

Almost surely, 2^2949276838 is an apocalyptic number.

2949276838 is a deficient number, since it is larger than the sum of its proper divisors (1529373002).

2949276838 is a wasteful number, since it uses less digits than its factorization.

2949276838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18711.

The product of its digits is 10450944, while the sum is 58.

The square root of 2949276838 is about 54307.2448021440. The cubic root of 2949276838 is about 1434.0749399811.

The spelling of 2949276838 in words is "two billion, nine hundred forty-nine million, two hundred seventy-six thousand, eight hundred thirty-eight".