906319646 has 16 divisors (see below), whose sum is σ = 1493251200. Its totient is φ = 410643288.

The previous prime is 906319619. The next prime is 906319717. The reversal of 906319646 is 646913609.

906319646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×906319646³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 906319597 and 906319606.

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, 517616 + ... + 519363.

It is an arithmetic number, because the mean of its divisors is an integer number (93328200).

Almost surely, 2^906319646 is an apocalyptic number.

906319646 is a deficient number, since it is larger than the sum of its proper divisors (586931554).

906319646 is a wasteful number, since it uses less digits than its factorization.

906319646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037023.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 906319646 is about 30105.1431818552. The cubic root of 906319646 is about 967.7439495058.

The spelling of 906319646 in words is "nine hundred six million, three hundred nineteen thousand, six hundred forty-six".