4999780 has 12 divisors (see below), whose sum is σ = 10499580. Its totient is φ = 1999904.

The previous prime is 4999769. The next prime is 4999781. The reversal of 4999780 is 879994.

It can be written as a sum of positive squares in 2 ways, for example, as 1517824 + 3481956 = 1232^2 + 1866^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4999780.

It is not an unprimeable number, because it can be changed into a prime (4999781) 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, 124975 + ... + 125014.

It is an arithmetic number, because the mean of its divisors is an integer number (874965).

Almost surely, 2^4999780 is an apocalyptic number.

It is an amenable number.

4999780 is an abundant number, since it is smaller than the sum of its proper divisors (5499800).

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

4999780 is a wasteful number, since it uses less digits than its factorization.

4999780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249998 (or 249996 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 4999780 is about 2236.0187834631. The cubic root of 4999780 is about 170.9950866662.

The spelling of 4999780 in words is "four million, nine hundred ninety-nine thousand, seven hundred eighty".