774489 has 8 divisors (see below), whose sum is σ = 1052352. Its totient is φ = 506480.

The previous prime is 774467. The next prime is 774491. The reversal of 774489 is 984477.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 774489 - 2⁸ = 774233 is a prime.

It is a super-2 number, since 2×774489² = 1199666422242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (774439) 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 7 ways as a sum of consecutive naturals, for example, 2277 + ... + 2594.

It is an arithmetic number, because the mean of its divisors is an integer number (131544).

2⁷⁷⁴⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

774489 is a deficient number, since it is larger than the sum of its proper divisors (277863).

774489 is a wasteful number, since it uses less digits than its factorization.

774489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927.

The product of its digits is 56448, while the sum is 39.

The square root of 774489 is about 880.0505667290. The cubic root of 774489 is about 91.8343348196.

The spelling of 774489 in words is "seven hundred seventy-four thousand, four hundred eighty-nine".