9971469 has 12 divisors (see below), whose sum is σ = 15250716. Its totient is φ = 6256512.

The previous prime is 9971461. The next prime is 9971483. The reversal of 9971469 is 9641799.

It can be written as a sum of positive squares in 2 ways, for example, as 2762244 + 7209225 = 1662^2 + 2685^2 .

It is not a de Polignac number, because 9971469 - 2³ = 9971461 is a prime.

It is a super-2 number, since 2×9971469² = 198860388035922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9971461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32434 + ... + 32739.

It is an arithmetic number, because the mean of its divisors is an integer number (1270893).

Almost surely, 2^9971469 is an apocalyptic number.

It is an amenable number.

9971469 is a deficient number, since it is larger than the sum of its proper divisors (5279247).

9971469 is a wasteful number, since it uses less digits than its factorization.

9971469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65196 (or 65193 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 9971469 is about 3157.7632906854. The cubic root of 9971469 is about 215.2383799123.

It can be divided in two parts, 9971 and 469, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 9971469 in words is "nine million, nine hundred seventy-one thousand, four hundred sixty-nine".