9798478 has 8 divisors (see below), whose sum is σ = 14711472. Its totient is φ = 4894656.

The previous prime is 9798461. The next prime is 9798479. The reversal of 9798478 is 8748979.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×9798478² = 192020342232968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9798479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1951 + ... + 4837.

It is an arithmetic number, because the mean of its divisors is an integer number (1838934).

Almost surely, 2^9798478 is an apocalyptic number.

9798478 is a deficient number, since it is larger than the sum of its proper divisors (4912994).

9798478 is a wasteful number, since it uses less digits than its factorization.

9798478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586.

The product of its digits is 1016064, while the sum is 52.

The square root of 9798478 is about 3130.2520665276. The cubic root of 9798478 is about 213.9864171657.

The spelling of 9798478 in words is "nine million, seven hundred ninety-eight thousand, four hundred seventy-eight".