770489 has 4 divisors (see below), whose sum is σ = 779856. Its totient is φ = 761124.

The previous prime is 770459. The next prime is 770503. The reversal of 770489 is 984077.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 984077 = 881 ⋅1117.

It is a cyclic number.

It is not a de Polignac number, because 770489 - 2⁸ = 770233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (770449) 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 3 ways as a sum of consecutive naturals, for example, 4559 + ... + 4724.

It is an arithmetic number, because the mean of its divisors is an integer number (194964).

2⁷⁷⁰⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

770489 is a deficient number, since it is larger than the sum of its proper divisors (9367).

770489 is an equidigital number, since it uses as much as digits as its factorization.

770489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9366.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 770489 is about 877.7750281251. The cubic root of 770489 is about 91.6759630608.

The spelling of 770489 in words is "seven hundred seventy thousand, four hundred eighty-nine".