4989279 has 8 divisors (see below), whose sum is σ = 7043760. Its totient is φ = 3130496.

The previous prime is 4989277. The next prime is 4989287. The reversal of 4989279 is 9729894.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4989279 - 2¹ = 4989277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48864 + ... + 48965.

It is an arithmetic number, because the mean of its divisors is an integer number (880470).

Almost surely, 2^4989279 is an apocalyptic number.

4989279 is a deficient number, since it is larger than the sum of its proper divisors (2054481).

4989279 is a wasteful number, since it uses less digits than its factorization.

4989279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97849.

The product of its digits is 326592, while the sum is 48.

The square root of 4989279 is about 2233.6694025751. The cubic root of 4989279 is about 170.8752895296.

It can be divided in two parts, 4989 and 279, that multiplied together give a palindrome (1391931).

The spelling of 4989279 in words is "four million, nine hundred eighty-nine thousand, two hundred seventy-nine".