10978890 has 32 divisors (see below), whose sum is σ = 28377216. Its totient is φ = 2702400.

The previous prime is 10978883. The next prime is 10978901. The reversal of 10978890 is 9887901.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13686 + ... + 14465.

It is an arithmetic number, because the mean of its divisors is an integer number (886788).

Almost surely, 2^10978890 is an apocalyptic number.

10978890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10978890 is an abundant number, since it is smaller than the sum of its proper divisors (17398326).

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

10978890 is a wasteful number, since it uses less digits than its factorization.

10978890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28174.

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 10978890 is about 3313.4408097927. The cubic root of 10978890 is about 222.2556506193.

The spelling of 10978890 in words is "ten million, nine hundred seventy-eight thousand, eight hundred ninety".