4978365 has 32 divisors (see below), whose sum is σ = 9642240. Its totient is φ = 2141184.

The previous prime is 4978349. The next prime is 4978367. The reversal of 4978365 is 5638794.

It is a happy number.

It is not a de Polignac number, because 4978365 - 2⁴ = 4978349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391 + ... + 3179.

It is an arithmetic number, because the mean of its divisors is an integer number (301320).

Almost surely, 2^4978365 is an apocalyptic number.

It is an amenable number.

4978365 is a deficient number, since it is larger than the sum of its proper divisors (4663875).

4978365 is a wasteful number, since it uses less digits than its factorization.

4978365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821.

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

The square root of 4978365 is about 2231.2249998599. The cubic root of 4978365 is about 170.7506025487.

The spelling of 4978365 in words is "four million, nine hundred seventy-eight thousand, three hundred sixty-five".