11398660 has 48 divisors (see below), whose sum is σ = 29465856. Its totient is φ = 3606912.

The previous prime is 11398637. The next prime is 11398679. The reversal of 11398660 is 6689311.

11398660 = T₂₅₉ + T₂₆₀ + ... + T₄₄₀.

11398660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1312 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (613872).

Almost surely, 2^11398660 is an apocalyptic number.

11398660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11398660 is an abundant number, since it is smaller than the sum of its proper divisors (18067196).

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

11398660 is a wasteful number, since it uses less digits than its factorization.

11398660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6292 (or 6290 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 11398660 is about 3376.1901605212. The cubic root of 11398660 is about 225.0528929148.

The spelling of 11398660 in words is "eleven million, three hundred ninety-eight thousand, six hundred sixty".