4978339 has 4 divisors (see below), whose sum is σ = 4989600. Its totient is φ = 4967080.

The previous prime is 4978291. The next prime is 4978349. The reversal of 4978339 is 9338794.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4978339 - 2¹⁷ = 4847267 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4978295 and 4978304.

It is not an unprimeable number, because it can be changed into a prime (4978349) 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, 4939 + ... + 5860.

It is an arithmetic number, because the mean of its divisors is an integer number (1247400).

Almost surely, 2^4978339 is an apocalyptic number.

4978339 is a deficient number, since it is larger than the sum of its proper divisors (11261).

4978339 is a wasteful number, since it uses less digits than its factorization.

4978339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11260.

The product of its digits is 163296, while the sum is 43.

The square root of 4978339 is about 2231.2191734565. The cubic root of 4978339 is about 170.7503052943.

It can be divided in two parts, 497 and 8339, that added together give a square (8836 = 94²).

The spelling of 4978339 in words is "four million, nine hundred seventy-eight thousand, three hundred thirty-nine".