10998378 has 24 divisors (see below), whose sum is σ = 25084800. Its totient is φ = 3473064.

The previous prime is 10998311. The next prime is 10998389. The reversal of 10998378 is 87389901.

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, 15738 + ... + 16421.

It is an arithmetic number, because the mean of its divisors is an integer number (1045200).

Almost surely, 2^10998378 is an apocalyptic number.

10998378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10998378 is an abundant number, since it is smaller than the sum of its proper divisors (14086422).

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

10998378 is a wasteful number, since it uses less digits than its factorization.

10998378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32186 (or 32183 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 10998378 is about 3316.3802556402. The cubic root of 10998378 is about 222.3870773205.

The spelling of 10998378 in words is "ten million, nine hundred ninety-eight thousand, three hundred seventy-eight".