4988905 has 8 divisors (see below), whose sum is σ = 6338952. Its totient is φ = 3756288.

The previous prime is 4988891. The next prime is 4988917. The reversal of 4988905 is 5098894.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 944784 + 4044121 = 972^2 + 2011^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4988905 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29262 + ... + 29431.

It is an arithmetic number, because the mean of its divisors is an integer number (792369).

Almost surely, 2^4988905 is an apocalyptic number.

It is an amenable number.

4988905 is a deficient number, since it is larger than the sum of its proper divisors (1350047).

4988905 is a wasteful number, since it uses less digits than its factorization.

4988905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58715.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 4988905 is about 2233.5856822607. The cubic root of 4988905 is about 170.8710197774.

The spelling of 4988905 in words is "four million, nine hundred eighty-eight thousand, nine hundred five".