4978135 has 8 divisors (see below), whose sum is σ = 6166656. Its totient is φ = 3853920.

The previous prime is 4978121. The next prime is 4978147. The reversal of 4978135 is 5318794.

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

It is a de Polignac number, because none of the positive numbers 2^k-4978135 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4978094 and 4978103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15904 + ... + 16213.

It is an arithmetic number, because the mean of its divisors is an integer number (770832).

Almost surely, 2^4978135 is an apocalyptic number.

4978135 is a deficient number, since it is larger than the sum of its proper divisors (1188521).

4978135 is a wasteful number, since it uses less digits than its factorization.

4978135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32153.

The product of its digits is 30240, while the sum is 37.

The square root of 4978135 is about 2231.1734580709. The cubic root of 4978135 is about 170.7479729542.

The spelling of 4978135 in words is "four million, nine hundred seventy-eight thousand, one hundred thirty-five".