9967001 has 16 divisors (see below), whose sum is σ = 11581440. Its totient is φ = 8482320.

The previous prime is 9966997. The next prime is 9967003. The reversal of 9967001 is 1007699.

It is not a de Polignac number, because 9967001 - 2² = 9966997 is a prime.

It is a super-2 number, since 2×9967001² = 198682217868002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9967003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21296 + ... + 21758.

It is an arithmetic number, because the mean of its divisors is an integer number (723840).

Almost surely, 2^9967001 is an apocalyptic number.

It is an amenable number.

9967001 is a deficient number, since it is larger than the sum of its proper divisors (1614439).

9967001 is a wasteful number, since it uses less digits than its factorization.

9967001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 9967001 is about 3157.0557486367. The cubic root of 9967001 is about 215.2062272190.

It can be divided in two parts, 996 and 7001, that added together give a palindrome (7997).

The spelling of 9967001 in words is "nine million, nine hundred sixty-seven thousand, one".