4978963 has 4 divisors (see below), whose sum is σ = 5431608. Its totient is φ = 4526320.

The previous prime is 4978957. The next prime is 4978973. The reversal of 4978963 is 3698794.

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 4978963 - 2⁹ = 4978451 is a prime.

It is a Duffinian number.

4978963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4978903) 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 3 ways as a sum of consecutive naturals, for example, 226306 + ... + 226327.

It is an arithmetic number, because the mean of its divisors is an integer number (1357902).

Almost surely, 2^4978963 is an apocalyptic number.

4978963 is a deficient number, since it is larger than the sum of its proper divisors (452645).

4978963 is a wasteful number, since it uses less digits than its factorization.

4978963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452644.

The product of its digits is 326592, while the sum is 46.

The square root of 4978963 is about 2231.3590029397. The cubic root of 4978963 is about 170.7574391153.

The spelling of 4978963 in words is "four million, nine hundred seventy-eight thousand, nine hundred sixty-three".