98478 has 12 divisors (see below), whose sum is σ = 213408. Its totient is φ = 32820.

The previous prime is 98473. The next prime is 98479. The reversal of 98478 is 87489.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 98478.

It is not an unprimeable number, because it can be changed into a prime (98473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2718 + ... + 2753.

It is an arithmetic number, because the mean of its divisors is an integer number (17784).

2⁹⁸⁴⁷⁸ is an apocalyptic number.

98478 is an abundant number, since it is smaller than the sum of its proper divisors (114930).

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

98478 is a wasteful number, since it uses less digits than its factorization.

98478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5479 (or 5476 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 98478 is about 313.8120456579. The cubic root of 98478 is about 46.1792001721.

It can be divided in two parts, 98 and 478, that added together give a square (576 = 24²).

The spelling of 98478 in words is "ninety-eight thousand, four hundred seventy-eight".