9901469 has 4 divisors (see below), whose sum is σ = 10003644. Its totient is φ = 9799296.

The previous prime is 9901457. The next prime is 9901543. The reversal of 9901469 is 9641099.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6708100 + 3193369 = 2590^2 + 1787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9901469 is a prime.

It is a super-2 number, since 2×9901469² = 196078176715922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9901069) 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 3 ways as a sum of consecutive naturals, for example, 50942 + ... + 51135.

It is an arithmetic number, because the mean of its divisors is an integer number (2500911).

Almost surely, 2^9901469 is an apocalyptic number.

It is an amenable number.

9901469 is a deficient number, since it is larger than the sum of its proper divisors (102175).

9901469 is a wasteful number, since it uses less digits than its factorization.

9901469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102174.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 9901469 is about 3146.6599752754. The cubic root of 9901469 is about 214.7335368468.

The spelling of 9901469 in words is "nine million, nine hundred one thousand, four hundred sixty-nine".