9018396 has 36 divisors (see below), whose sum is σ = 23534784. Its totient is φ = 2908800.

The previous prime is 9018379. The next prime is 9018409. The reversal of 9018396 is 6938109.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 9018396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2925 + ... + 5156.

It is an arithmetic number, because the mean of its divisors is an integer number (653744).

Almost surely, 2^9018396 is an apocalyptic number.

It is an amenable number.

9018396 is an abundant number, since it is smaller than the sum of its proper divisors (14516388).

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

9018396 is a wasteful number, since it uses less digits than its factorization.

9018396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8122 (or 8117 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 9018396 is about 3003.0644348732. The cubic root of 9018396 is about 208.1500088985.

It can be divided in two parts, 90183 and 96, that multiplied together give a palindrome (8657568).

The spelling of 9018396 in words is "nine million, eighteen thousand, three hundred ninety-six".