11908998 has 16 divisors (see below), whose sum is σ = 26464560. Its totient is φ = 3969648.

The previous prime is 11908997. The next prime is 11909017. The reversal of 11908998 is 89980911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11908997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110215 + ... + 110322.

It is an arithmetic number, because the mean of its divisors is an integer number (1654035).

Almost surely, 2^11908998 is an apocalyptic number.

11908998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11908998 is an abundant number, since it is smaller than the sum of its proper divisors (14555562).

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

11908998 is a wasteful number, since it uses less digits than its factorization.

11908998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220548 (or 220542 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 45.

The square root of 11908998 is about 3450.9416106332. The cubic root of 11908998 is about 228.3626500207.

The spelling of 11908998 in words is "eleven million, nine hundred eight thousand, nine hundred ninety-eight".