9842490 has 96 divisors (see below), whose sum is σ = 31000320. Its totient is φ = 2115072.

The previous prime is 9842477. The next prime is 9842509. The reversal of 9842490 is 942489.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10251 + ... + 11169.

It is an arithmetic number, because the mean of its divisors is an integer number (322920).

Almost surely, 2^9842490 is an apocalyptic number.

9842490 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9842490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15500160).

9842490 is an abundant number, since it is smaller than the sum of its proper divisors (21157830).

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

9842490 is a wasteful number, since it uses less digits than its factorization.

9842490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 9842490 is about 3137.2742946705. The cubic root of 9842490 is about 214.3063275408.

The spelling of 9842490 in words is "nine million, eight hundred forty-two thousand, four hundred ninety".