1782340484 has 6 divisors (see below), whose sum is σ = 3119095854. Its totient is φ = 891170240.

The previous prime is 1782340481. The next prime is 1782340487. The reversal of 1782340484 is 4840432871.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1782340481) and next prime (1782340487).

It can be written as a sum of positive squares in only one way, i.e., 1301766400 + 480574084 = 36080^2 + 21922^2 .

It is not an unprimeable number, because it can be changed into a prime (1782340481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222792557 + ... + 222792564.

It is an arithmetic number, because the mean of its divisors is an integer number (519849309).

Almost surely, 2^1782340484 is an apocalyptic number.

It is an amenable number.

1782340484 is a deficient number, since it is larger than the sum of its proper divisors (1336755370).

1782340484 is a wasteful number, since it uses less digits than its factorization.

1782340484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445585125 (or 445585123 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 1782340484 is about 42217.7745031639. The cubic root of 1782340484 is about 1212.4492166211.

The spelling of 1782340484 in words is "one billion, seven hundred eighty-two million, three hundred forty thousand, four hundred eighty-four".