11998464 has 72 divisors (see below), whose sum is σ = 33848640. Its totient is φ = 3760128.

The previous prime is 11998439. The next prime is 11998487. The reversal of 11998464 is 46489911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12597 + ... + 13515.

It is an arithmetic number, because the mean of its divisors is an integer number (470120).

Almost surely, 2^11998464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11998464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16924320).

11998464 is an abundant number, since it is smaller than the sum of its proper divisors (21850176).

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

11998464 is an equidigital number, since it uses as much as digits as its factorization.

11998464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 941 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 11998464 is about 3463.8799055395. The cubic root of 11998464 is about 228.9330798657.

The spelling of 11998464 in words is "eleven million, nine hundred ninety-eight thousand, four hundred sixty-four".