4978305 has 12 divisors (see below), whose sum is σ = 8629140. Its totient is φ = 2655072.

The previous prime is 4978291. The next prime is 4978349. The reversal of 4978305 is 5038794.

4978305 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1140624 + 3837681 = 1068^2 + 1959^2 .

It is not a de Polignac number, because 4978305 - 2⁶ = 4978241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4978305.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55270 + ... + 55359.

It is an arithmetic number, because the mean of its divisors is an integer number (719095).

Almost surely, 2^4978305 is an apocalyptic number.

4978305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4978305 is a deficient number, since it is larger than the sum of its proper divisors (3650835).

4978305 is a wasteful number, since it uses less digits than its factorization.

4978305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110640 (or 110637 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 4978305 is about 2231.2115542906. The cubic root of 4978305 is about 170.7499165753.

The spelling of 4978305 in words is "four million, nine hundred seventy-eight thousand, three hundred five".