9890395 has 8 divisors (see below), whose sum is σ = 12251520. Its totient is φ = 7656960.

The previous prime is 9890381. The next prime is 9890407. The reversal of 9890395 is 5930989.

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

It is a de Polignac number, because none of the positive numbers 2^k-9890395 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31750 + ... + 32059.

It is an arithmetic number, because the mean of its divisors is an integer number (1531440).

Almost surely, 2^9890395 is an apocalyptic number.

9890395 is a deficient number, since it is larger than the sum of its proper divisors (2361125).

9890395 is a wasteful number, since it uses less digits than its factorization.

9890395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63845.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 9890395 is about 3144.8998394226. The cubic root of 9890395 is about 214.6534528964.

The spelling of 9890395 in words is "nine million, eight hundred ninety thousand, three hundred ninety-five".