10927890 has 24 divisors (see below), whose sum is σ = 28412748. Its totient is φ = 2914080.

The previous prime is 10927877. The next prime is 10927909. The reversal of 10927890 is 9872901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9715689 + 1212201 = 3117^2 + 1101^2 .

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60621 + ... + 60800.

Almost surely, 2^10927890 is an apocalyptic number.

10927890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10927890 is an abundant number, since it is smaller than the sum of its proper divisors (17484858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10927890 is a wasteful number, since it uses less digits than its factorization.

10927890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121434 (or 121431 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 10927890 is about 3305.7359241174. The cubic root of 10927890 is about 221.9109699006.

The spelling of 10927890 in words is "ten million, nine hundred twenty-seven thousand, eight hundred ninety".