10998678 has 8 divisors (see below), whose sum is σ = 21997368. Its totient is φ = 3666224.

The previous prime is 10998671. The next prime is 10998679. The reversal of 10998678 is 87689901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

10998678 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10998671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916551 + ... + 916562.

It is an arithmetic number, because the mean of its divisors is an integer number (2749671).

Almost surely, 2^10998678 is an apocalyptic number.

10998678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10998678 is a wasteful number, since it uses less digits than its factorization.

10998678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833118.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 10998678 is about 3316.4254853682. The cubic root of 10998678 is about 222.3890993010.

The spelling of 10998678 in words is "ten million, nine hundred ninety-eight thousand, six hundred seventy-eight".