4780489 has 6 divisors (see below), whose sum is σ = 5561034. Its totient is φ = 4097520.

The previous prime is 4780487. The next prime is 4780499. The reversal of 4780489 is 9840874.

4780489 = T₄₁₇ + T₄₁₈ + ... + T₄₆₅.

It can be written as a sum of positive squares in only one way, i.e., 2917264 + 1863225 = 1708^2 + 1365^2 .

It is not a de Polignac number, because 4780489 - 2¹ = 4780487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4780483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48732 + ... + 48829.

It is an arithmetic number, because the mean of its divisors is an integer number (926839).

Almost surely, 2^4780489 is an apocalyptic number.

4780489 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4780489 is a deficient number, since it is larger than the sum of its proper divisors (780545).

4780489 is an equidigital number, since it uses as much as digits as its factorization.

4780489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97575 (or 97568 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 4780489 is about 2186.4329397446. The cubic root of 4780489 is about 168.4576641402.

The spelling of 4780489 in words is "four million, seven hundred eighty thousand, four hundred eighty-nine".