919906827 has 32 divisors (see below), whose sum is σ = 1465605120. Its totient is φ = 501811200.

The previous prime is 919906817. The next prime is 919906829. The reversal of 919906827 is 728609919.

It is a happy number.

919906827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 919906827 - 2⁶ = 919906763 is a prime.

It is a super-2 number, since 2×919906827² = 1692457140722415858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 919906827.

It is not an unprimeable number, because it can be changed into a prime (919906829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288699 + ... + 291867.

It is an arithmetic number, because the mean of its divisors is an integer number (45800160).

Almost surely, 2^919906827 is an apocalyptic number.

919906827 is a deficient number, since it is larger than the sum of its proper divisors (545698293).

919906827 is a wasteful number, since it uses less digits than its factorization.

919906827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803.

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 919906827 is about 30329.9658258957. The cubic root of 919906827 is about 972.5559921326. Note that the first 3 decimals are identical.

The spelling of 919906827 in words is "nine hundred nineteen million, nine hundred six thousand, eight hundred twenty-seven".