9697961 has 32 divisors (see below), whose sum is σ = 12902400. Its totient is φ = 7076160.

The previous prime is 9697957. The next prime is 9697967. The reversal of 9697961 is 1697969.

It is a happy number.

It is not a de Polignac number, because 9697961 - 2² = 9697957 is a prime.

It is a d-powerful number, because it can be written as 9⁴ + 6² + 9⁷ + 7⁶ + 9⁷ + 6⁵ + 1 .

Its product of digits (183708) is a multiple of the sum of its prime divisors (189).

It is not an unprimeable number, because it can be changed into a prime (9697967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122720 + ... + 122798.

It is an arithmetic number, because the mean of its divisors is an integer number (403200).

Almost surely, 2^9697961 is an apocalyptic number.

9697961 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

9697961 is a deficient number, since it is larger than the sum of its proper divisors (3204439).

9697961 is a wasteful number, since it uses less digits than its factorization.

9697961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189.

The product of its digits is 183708, while the sum is 47.

The square root of 9697961 is about 3114.1549415532. The cubic root of 9697961 is about 213.2521791472.

The spelling of 9697961 in words is "nine million, six hundred ninety-seven thousand, nine hundred sixty-one".