674648 has 24 divisors (see below), whose sum is σ = 1372500. Its totient is φ = 310752.

The previous prime is 674647. The next prime is 674669. The reversal of 674648 is 846476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1103 + ... + 1601.

2⁶⁷⁴⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686250).

674648 is an abundant number, since it is smaller than the sum of its proper divisors (697852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674648 is a wasteful number, since it uses less digits than its factorization.

674648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 514 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 674648 is about 821.3695879444. The cubic root of 674648 is about 87.7052812840.

The spelling of 674648 in words is "six hundred seventy-four thousand, six hundred forty-eight".