4978897 has 8 divisors (see below), whose sum is σ = 6207552. Its totient is φ = 3879600.

The previous prime is 4978889. The next prime is 4978901. The reversal of 4978897 is 7988794.

It is a happy number.

4978897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4978897 - 2³ = 4978889 is a prime.

It is a Duffinian number.

4978897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4978847) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32254 + ... + 32407.

It is an arithmetic number, because the mean of its divisors is an integer number (775944).

Almost surely, 2^4978897 is an apocalyptic number.

It is an amenable number.

4978897 is a deficient number, since it is larger than the sum of its proper divisors (1228655).

4978897 is a wasteful number, since it uses less digits than its factorization.

4978897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64679.

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

The square root of 4978897 is about 2231.3442136972. The cubic root of 4978897 is about 170.7566846048.

The spelling of 4978897 in words is "four million, nine hundred seventy-eight thousand, eight hundred ninety-seven".