785263449 has 16 divisors (see below), whose sum is σ = 1081839104. Its totient is φ = 506131200.

The previous prime is 785263441. The next prime is 785263471. The reversal of 785263449 is 944362587.

It is not a de Polignac number, because 785263449 - 2³ = 785263441 is a prime.

It is a super-4 number, since 4×785263449⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 785263398 and 785263407.

It is not an unprimeable number, because it can be changed into a prime (785263441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109329 + ... + 116289.

It is an arithmetic number, because the mean of its divisors is an integer number (67614944).

Almost surely, 2^785263449 is an apocalyptic number.

It is an amenable number.

785263449 is a deficient number, since it is larger than the sum of its proper divisors (296575655).

785263449 is a wasteful number, since it uses less digits than its factorization.

785263449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8208.

The product of its digits is 1451520, while the sum is 48.

The square root of 785263449 is about 28022.5525068649. The cubic root of 785263449 is about 922.5823200457.

The spelling of 785263449 in words is "seven hundred eighty-five million, two hundred sixty-three thousand, four hundred forty-nine".