2908947238 has 4 divisors (see below), whose sum is σ = 4363420860. Its totient is φ = 1454473618.

The previous prime is 2908947233. The next prime is 2908947257. The reversal of 2908947238 is 8327498092.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2908947233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727236808 + ... + 727236811.

It is an arithmetic number, because the mean of its divisors is an integer number (1090855215).

Almost surely, 2^2908947238 is an apocalyptic number.

2908947238 is a deficient number, since it is larger than the sum of its proper divisors (1454473622).

2908947238 is a wasteful number, since it uses less digits than its factorization.

2908947238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454473621.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 2908947238 is about 53934.6571139560. The cubic root of 2908947238 is about 1427.5082101472.

The spelling of 2908947238 in words is "two billion, nine hundred eight million, nine hundred forty-seven thousand, two hundred thirty-eight".