11097864 has 64 divisors (see below), whose sum is σ = 31104000. Its totient is φ = 3666240.

The previous prime is 11097773. The next prime is 11097871. The reversal of 11097864 is 46879011.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 41122 + ... + 41390.

It is an arithmetic number, because the mean of its divisors is an integer number (486000).

Almost surely, 2^11097864 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 11097864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15552000).

11097864 is an abundant number, since it is smaller than the sum of its proper divisors (20006136).

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

11097864 is a wasteful number, since it uses less digits than its factorization.

11097864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 11097864 is about 3331.3456740483. The cubic root of 11097864 is about 223.0556009012.

The spelling of 11097864 in words is "eleven million, ninety-seven thousand, eight hundred sixty-four".