674284443 has 12 divisors (see below), whose sum is σ = 1045829160. Its totient is φ = 385305312.

The previous prime is 674284439. The next prime is 674284459. The reversal of 674284443 is 344482476.

It is a happy number.

It is not a de Polignac number, because 674284443 - 2² = 674284439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 674284395 and 674284404.

It is not an unprimeable number, because it can be changed into a prime (674284463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2293338 + ... + 2293631.

It is an arithmetic number, because the mean of its divisors is an integer number (87152430).

Almost surely, 2^674284443 is an apocalyptic number.

674284443 is a deficient number, since it is larger than the sum of its proper divisors (371544717).

674284443 is a wasteful number, since it uses less digits than its factorization.

674284443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586986 (or 4586979 counting only the distinct ones).

The product of its digits is 516096, while the sum is 42.

The square root of 674284443 is about 25966.9875611323. The cubic root of 674284443 is about 876.8952412957.

The spelling of 674284443 in words is "six hundred seventy-four million, two hundred eighty-four thousand, four hundred forty-three".