906488444 has 12 divisors (see below), whose sum is σ = 1587645864. Its totient is φ = 452875344.

The previous prime is 906488437. The next prime is 906488447. The reversal of 906488444 is 444884609.

It is a super-2 number, since 2×906488444² = 1643442598211082272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906488447) 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 3 ways as a sum of consecutive naturals, for example, 86654 + ... + 96549.

It is an arithmetic number, because the mean of its divisors is an integer number (132303822).

Almost surely, 2^906488444 is an apocalyptic number.

It is an amenable number.

906488444 is a deficient number, since it is larger than the sum of its proper divisors (681157420).

906488444 is a wasteful number, since it uses less digits than its factorization.

906488444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184444 (or 184442 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 47.

The square root of 906488444 is about 30107.9465257928. The cubic root of 906488444 is about 967.8040251107.

The spelling of 906488444 in words is "nine hundred six million, four hundred eighty-eight thousand, four hundred forty-four".