2923772906 has 4 divisors (see below), whose sum is σ = 4385659362. Its totient is φ = 1461886452.

The previous prime is 2923772869. The next prime is 2923772911. The reversal of 2923772906 is 6092773292.

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

It can be written as a sum of positive squares in only one way, i.e., 2491507225 + 432265681 = 49915^2 + 20791^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730943225 + ... + 730943228.

Almost surely, 2^2923772906 is an apocalyptic number.

2923772906 is a deficient number, since it is larger than the sum of its proper divisors (1461886456).

2923772906 is a wasteful number, since it uses less digits than its factorization.

2923772906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461886455.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 2923772906 is about 54071.9234538591. The cubic root of 2923772906 is about 1429.9292360699.

The spelling of 2923772906 in words is "two billion, nine hundred twenty-three million, seven hundred seventy-two thousand, nine hundred six".