9801390 has 32 divisors (see below), whose sum is σ = 23639040. Its totient is φ = 2600864.

The previous prime is 9801383. The next prime is 9801413. The reversal of 9801390 is 931089.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 6487 + ... + 7853.

It is an arithmetic number, because the mean of its divisors is an integer number (738720).

Almost surely, 2^9801390 is an apocalyptic number.

9801390 is an abundant number, since it is smaller than the sum of its proper divisors (13837650).

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

9801390 is a wasteful number, since it uses less digits than its factorization.

9801390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 9801390 is about 3130.7171702343. The cubic root of 9801390 is about 214.0076132034.

The spelling of 9801390 in words is "nine million, eight hundred one thousand, three hundred ninety".