844348666 has 16 divisors (see below), whose sum is σ = 1447945920. Its totient is φ = 361740960.

The previous prime is 844348651. The next prime is 844348667. The reversal of 844348666 is 666843448.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (844348667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41550 + ... + 58438.

It is an arithmetic number, because the mean of its divisors is an integer number (90496620).

Almost surely, 2^844348666 is an apocalyptic number.

844348666 is a deficient number, since it is larger than the sum of its proper divisors (603597254).

844348666 is a wasteful number, since it uses less digits than its factorization.

844348666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20469.

The product of its digits is 2654208, while the sum is 49.

The square root of 844348666 is about 29057.6782623802. The cubic root of 844348666 is about 945.1642225538.

The spelling of 844348666 in words is "eight hundred forty-four million, three hundred forty-eight thousand, six hundred sixty-six".