9890475 has 24 divisors (see below), whose sum is σ = 18689280. Its totient is φ = 4521120.

The previous prime is 9890467. The next prime is 9890501. The reversal of 9890475 is 5740989.

It is not a de Polignac number, because 9890475 - 2³ = 9890467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8895 + ... + 9944.

It is an arithmetic number, because the mean of its divisors is an integer number (778720).

Almost surely, 2^9890475 is an apocalyptic number.

9890475 is a deficient number, since it is larger than the sum of its proper divisors (8798805).

9890475 is a wasteful number, since it uses less digits than its factorization.

9890475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18859 (or 18854 counting only the distinct ones).

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

The square root of 9890475 is about 3144.9125584029. The cubic root of 9890475 is about 214.6540316475.

The spelling of 9890475 in words is "nine million, eight hundred ninety thousand, four hundred seventy-five".