4978655 has 16 divisors (see below), whose sum is σ = 6576768. Its totient is φ = 3588000.

The previous prime is 4978651. The next prime is 4978657. The reversal of 4978655 is 5568794.

4978655 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4978655 - 2² = 4978651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6860 + ... + 7550.

It is an arithmetic number, because the mean of its divisors is an integer number (411048).

Almost surely, 2^4978655 is an apocalyptic number.

4978655 is a deficient number, since it is larger than the sum of its proper divisors (1598113).

4978655 is a wasteful number, since it uses less digits than its factorization.

4978655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838.

The product of its digits is 302400, while the sum is 44.

The square root of 4978655 is about 2231.2899856361. The cubic root of 4978655 is about 170.7539180089.

The spelling of 4978655 in words is "four million, nine hundred seventy-eight thousand, six hundred fifty-five".