11398032 has 30 divisors (see below), whose sum is σ = 31899062. Its totient is φ = 3799296.

The previous prime is 11398031. The next prime is 11398039. The reversal of 11398032 is 23089311.

It can be written as a sum of positive squares in only one way, i.e., 10732176 + 665856 = 3276^2 + 816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11397987 and 11398005.

It is not an unprimeable number, because it can be changed into a prime (11398031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39433 + ... + 39720.

Almost surely, 2^11398032 is an apocalyptic number.

11398032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11398032 is an abundant number, since it is smaller than the sum of its proper divisors (20501030).

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

11398032 is a wasteful number, since it uses less digits than its factorization.

11398032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79167 (or 79158 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 11398032 is about 3376.0971550001. The cubic root of 11398032 is about 225.0487598029.

The spelling of 11398032 in words is "eleven million, three hundred ninety-eight thousand, thirty-two".