9908745 has 64 divisors (see below), whose sum is σ = 20680704. Its totient is φ = 3928320.

The previous prime is 9908737. The next prime is 9908753. The reversal of 9908745 is 5478099.

It is an interprime number because it is at equal distance from previous prime (9908737) and next prime (9908753).

It is not a de Polignac number, because 9908745 - 2³ = 9908737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9908697 and 9908706.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26379 + ... + 26751.

It is an arithmetic number, because the mean of its divisors is an integer number (323136).

Almost surely, 2^9908745 is an apocalyptic number.

It is an amenable number.

9908745 is an abundant number, since it is smaller than the sum of its proper divisors (10771959).

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

9908745 is a wasteful number, since it uses less digits than its factorization.

9908745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 9908745 is about 3147.8159094839. The cubic root of 9908745 is about 214.7861222651.

The spelling of 9908745 in words is "nine million, nine hundred eight thousand, seven hundred forty-five".