906821366 has 16 divisors (see below), whose sum is σ = 1492473168. Its totient is φ = 409807200.

The previous prime is 906821359. The next prime is 906821369. The reversal of 906821366 is 663128609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906821369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115325 + ... + 122936.

It is an arithmetic number, because the mean of its divisors is an integer number (93279573).

Almost surely, 2^906821366 is an apocalyptic number.

906821366 is a deficient number, since it is larger than the sum of its proper divisors (585651802).

906821366 is a wasteful number, since it uses less digits than its factorization.

906821366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238447.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 906821366 is about 30113.4748244038. The cubic root of 906821366 is about 967.9224909765.

The spelling of 906821366 in words is "nine hundred six million, eight hundred twenty-one thousand, three hundred sixty-six".