4978286 has 4 divisors (see below), whose sum is σ = 7467432. Its totient is φ = 2489142.

The previous prime is 4978283. The next prime is 4978291. The reversal of 4978286 is 6828794.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244570 + ... + 1244573.

It is an arithmetic number, because the mean of its divisors is an integer number (1866858).

Almost surely, 2^4978286 is an apocalyptic number.

4978286 is a deficient number, since it is larger than the sum of its proper divisors (2489146).

4978286 is a wasteful number, since it uses less digits than its factorization.

4978286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489145.

The product of its digits is 193536, while the sum is 44.

The square root of 4978286 is about 2231.2072965101. The cubic root of 4978286 is about 170.7496993493.

The spelling of 4978286 in words is "four million, nine hundred seventy-eight thousand, two hundred eighty-six".