4978635 has 8 divisors (see below), whose sum is σ = 7965840. Its totient is φ = 2655264.

The previous prime is 4978607. The next prime is 4978651. The reversal of 4978635 is 5368794.

It is a happy number.

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

It is not a de Polignac number, because 4978635 - 2¹⁰ = 4977611 is a prime.

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, 165940 + ... + 165969.

It is an arithmetic number, because the mean of its divisors is an integer number (995730).

Almost surely, 2^4978635 is an apocalyptic number.

4978635 is a deficient number, since it is larger than the sum of its proper divisors (2987205).

4978635 is a wasteful number, since it uses less digits than its factorization.

4978635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331917.

The product of its digits is 181440, while the sum is 42.

The square root of 4978635 is about 2231.2855039192. The cubic root of 4978635 is about 170.7536893606.

The spelling of 4978635 in words is "four million, nine hundred seventy-eight thousand, six hundred thirty-five".