9216001 has 4 divisors (see below), whose sum is σ = 9230292. Its totient is φ = 9201712.

The previous prime is 9215971. The next prime is 9216019. The reversal of 9216001 is 1006129.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1006129 = 47 ⋅21407.

It can be written as a sum of positive squares in 2 ways, for example, as 4309776 + 4906225 = 2076^2 + 2215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9216001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9216001.

It is not an unprimeable number, because it can be changed into a prime (9216101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6130 + ... + 7483.

It is an arithmetic number, because the mean of its divisors is an integer number (2307573).

It is a Proth number, since it is equal to 1125 ⋅ 2¹³ + 1 and 1125 < 2¹³.

Almost surely, 2^9216001 is an apocalyptic number.

It is an amenable number.

9216001 is a deficient number, since it is larger than the sum of its proper divisors (14291).

9216001 is a wasteful number, since it uses less digits than its factorization.

9216001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14290.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 9216001 is about 3035.7867184636. The cubic root of 9216001 is about 209.6593191199.

The spelling of 9216001 in words is "nine million, two hundred sixteen thousand, one".