9490890 has 16 divisors (see below), whose sum is σ = 22778208. Its totient is φ = 2530896.

The previous prime is 9490889. The next prime is 9490903. The reversal of 9490890 is 980949.

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, 158152 + ... + 158211.

It is an arithmetic number, because the mean of its divisors is an integer number (1423638).

Almost surely, 2^9490890 is an apocalyptic number.

9490890 is an abundant number, since it is smaller than the sum of its proper divisors (13287318).

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

9490890 is a wasteful number, since it uses less digits than its factorization.

9490890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316373.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 9490890 is about 3080.7288098760. The cubic root of 9490890 is about 211.7234586967.

The spelling of 9490890 in words is "nine million, four hundred ninety thousand, eight hundred ninety".