4778980 has 12 divisors (see below), whose sum is σ = 10035900. Its totient is φ = 1911584.

The previous prime is 4778953. The next prime is 4778981. The reversal of 4778980 is 898774.

It can be written as a sum of positive squares in 2 ways, for example, as 842724 + 3936256 = 918^2 + 1984^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119455 + ... + 119494.

It is an arithmetic number, because the mean of its divisors is an integer number (836325).

Almost surely, 2^4778980 is an apocalyptic number.

It is an amenable number.

4778980 is an abundant number, since it is smaller than the sum of its proper divisors (5256920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4778980 is a wasteful number, since it uses less digits than its factorization.

4778980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238958 (or 238956 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 4778980 is about 2186.0878298916. The cubic root of 4778980 is about 168.4399372670.

The spelling of 4778980 in words is "four million, seven hundred seventy-eight thousand, nine hundred eighty".