4978398 has 8 divisors (see below), whose sum is σ = 9956808. Its totient is φ = 1659464.

The previous prime is 4978397. The next prime is 4978403. The reversal of 4978398 is 8938794.

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

4978398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414861 + ... + 414872.

It is an arithmetic number, because the mean of its divisors is an integer number (1244601).

Almost surely, 2^4978398 is an apocalyptic number.

4978398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4978398 is a wasteful number, since it uses less digits than its factorization.

4978398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829738.

The product of its digits is 435456, while the sum is 48.

The square root of 4978398 is about 2231.2323948885. The cubic root of 4978398 is about 170.7509798317.

The spelling of 4978398 in words is "four million, nine hundred seventy-eight thousand, three hundred ninety-eight".