9890495 has 8 divisors (see below), whose sum is σ = 11899440. Its totient is φ = 7891840.

The previous prime is 9890467. The next prime is 9890501. The reversal of 9890495 is 5940989.

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

It is not a de Polignac number, because 9890495 - 2⁸ = 9890239 is a prime.

It is a congruent number.

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, 266 + ... + 4455.

It is an arithmetic number, because the mean of its divisors is an integer number (1487430).

Almost surely, 2^9890495 is an apocalyptic number.

9890495 is a deficient number, since it is larger than the sum of its proper divisors (2008945).

9890495 is a wasteful number, since it uses less digits than its factorization.

9890495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 9890495 is about 3144.9157381399. The cubic root of 9890495 is about 214.6541763348.

The spelling of 9890495 in words is "nine million, eight hundred ninety thousand, four hundred ninety-five".