4865978 has 32 divisors (see below), whose sum is σ = 8482320. Its totient is φ = 2073600.

The previous prime is 4865969. The next prime is 4865989. The reversal of 4865978 is 8795684.

It can be written as a sum of positive squares in 8 ways, for example, as 3988009 + 877969 = 1997^2 + 937^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44588 + ... + 44696.

Almost surely, 2^4865978 is an apocalyptic number.

4865978 is a deficient number, since it is larger than the sum of its proper divisors (3616342).

4865978 is a wasteful number, since it uses less digits than its factorization.

4865978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242.

The product of its digits is 483840, while the sum is 47.

The square root of 4865978 is about 2205.8961897605. The cubic root of 4865978 is about 169.4559075247.

The spelling of 4865978 in words is "four million, eight hundred sixty-five thousand, nine hundred seventy-eight".