906640852 has 24 divisors (see below), whose sum is σ = 1709728776. Its totient is φ = 418190208.

The previous prime is 906640811. The next prime is 906640883. The reversal of 906640852 is 258046609.

It is a happy number.

906640852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 156100036 + 750540816 = 12494^2 + 27396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98178 + ... + 107014.

It is an arithmetic number, because the mean of its divisors is an integer number (71238699).

Almost surely, 2^906640852 is an apocalyptic number.

It is an amenable number.

906640852 is a deficient number, since it is larger than the sum of its proper divisors (803087924).

906640852 is a wasteful number, since it uses less digits than its factorization.

906640852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10827 (or 10825 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 906640852 is about 30110.4774455670. The cubic root of 906640852 is about 967.8582610697.

The spelling of 906640852 in words is "nine hundred six million, six hundred forty thousand, eight hundred fifty-two".