4978605 has 8 divisors (see below), whose sum is σ = 7965792. Its totient is φ = 2655248.

The previous prime is 4978579. The next prime is 4978607. The reversal of 4978605 is 5068794.

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 4978605 - 2⁸ = 4978349 is a prime.

4978605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165939 + ... + 165968.

It is an arithmetic number, because the mean of its divisors is an integer number (995724).

Almost surely, 2^4978605 is an apocalyptic number.

It is an amenable number.

4978605 is a deficient number, since it is larger than the sum of its proper divisors (2987187).

4978605 is a wasteful number, since it uses less digits than its factorization.

4978605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331915.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 4978605 is about 2231.2787813270. The cubic root of 4978605 is about 170.7533463870.

The spelling of 4978605 in words is "four million, nine hundred seventy-eight thousand, six hundred five".