9955897 has 8 divisors (see below), whose sum is σ = 12047616. Its totient is φ = 8031552.

The previous prime is 9955853. The next prime is 9955901. The reversal of 9955897 is 7985599.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9955897 - 2¹⁵ = 9923129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9955397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41713 + ... + 41950.

It is an arithmetic number, because the mean of its divisors is an integer number (1505952).

Almost surely, 2^9955897 is an apocalyptic number.

It is an amenable number.

9955897 is a deficient number, since it is larger than the sum of its proper divisors (2091719).

9955897 is a wasteful number, since it uses less digits than its factorization.

9955897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83687.

The product of its digits is 1020600, while the sum is 52.

The square root of 9955897 is about 3155.2966580022. The cubic root of 9955897 is about 215.1262788001.

The spelling of 9955897 in words is "nine million, nine hundred fifty-five thousand, eight hundred ninety-seven".