4857979 has 16 divisors (see below), whose sum is σ = 5840896. Its totient is φ = 3952800.

The previous prime is 4857973. The next prime is 4857997. The reversal of 4857979 is 9797584.

It is a happy number.

It is not a de Polignac number, because 4857979 - 2¹³ = 4849787 is a prime.

4857979 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4857973) 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, 13054 + ... + 13420.

It is an arithmetic number, because the mean of its divisors is an integer number (365056).

Almost surely, 2^4857979 is an apocalyptic number.

4857979 is a deficient number, since it is larger than the sum of its proper divisors (982917).

4857979 is a wasteful number, since it uses less digits than its factorization.

4857979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466.

The product of its digits is 635040, while the sum is 49.

The square root of 4857979 is about 2204.0823487338. The cubic root of 4857979 is about 169.3630025134.

It can be divided in two parts, 485 and 7979, that added together give a square (8464 = 92²).

The spelling of 4857979 in words is "four million, eight hundred fifty-seven thousand, nine hundred seventy-nine".