11898998 has 8 divisors (see below), whose sum is σ = 17979192. Its totient is φ = 5905936.

The previous prime is 11898989. The next prime is 11899001. The reversal of 11898998 is 89989811.

11898998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21440 + ... + 21987.

It is an arithmetic number, because the mean of its divisors is an integer number (2247399).

Almost surely, 2^11898998 is an apocalyptic number.

11898998 is a deficient number, since it is larger than the sum of its proper divisors (6080194).

11898998 is a wasteful number, since it uses less digits than its factorization.

11898998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43566.

The product of its digits is 373248, while the sum is 53.

The square root of 11898998 is about 3449.4924264303. The cubic root of 11898998 is about 228.2987133238.

The spelling of 11898998 in words is "eleven million, eight hundred ninety-eight thousand, nine hundred ninety-eight".