9697905 has 48 divisors (see below), whose sum is σ = 20352384. Its totient is φ = 4170240.

The previous prime is 9697879. The next prime is 9697907. The reversal of 9697905 is 5097969.

It is not a de Polignac number, because 9697905 - 2¹⁵ = 9665137 is a prime.

It is a super-2 number, since 2×9697905² = 188098722778050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (9697907) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4450 + ... + 6260.

It is an arithmetic number, because the mean of its divisors is an integer number (424008).

Almost surely, 2^9697905 is an apocalyptic number.

It is an amenable number.

9697905 is an abundant number, since it is smaller than the sum of its proper divisors (10654479).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9697905 is a wasteful number, since it uses less digits than its factorization.

9697905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846 (or 1843 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 9697905 is about 3114.1459503369. The cubic root of 9697905 is about 213.2517686779.

The spelling of 9697905 in words is "nine million, six hundred ninety-seven thousand, nine hundred five".