9790398 has 12 divisors (see below), whose sum is σ = 21212568. Its totient is φ = 3263460.

The previous prime is 9790397. The next prime is 9790399. The reversal of 9790398 is 8930979.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9790397) and next prime (9790399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9790397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 271938 + ... + 271973.

It is an arithmetic number, because the mean of its divisors is an integer number (1767714).

Almost surely, 2^9790398 is an apocalyptic number.

9790398 is an abundant number, since it is smaller than the sum of its proper divisors (11422170).

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

9790398 is a wasteful number, since it uses less digits than its factorization.

9790398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543919 (or 543916 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 9790398 is about 3128.9611694618. The cubic root of 9790398 is about 213.9275819831.

The spelling of 9790398 in words is "nine million, seven hundred ninety thousand, three hundred ninety-eight".