298644 has 24 divisors (see below), whose sum is σ = 715008. Its totient is φ = 96960.

The previous prime is 298631. The next prime is 298651. The reversal of 298644 is 446892.

298644 = T₄₁ + T₄₂ + ... + T₁₂₂.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 298644.

It is an unprimeable number.

298644 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189 + ... + 795.

It is an arithmetic number, because the mean of its divisors is an integer number (29792).

2²⁹⁸⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

298644 is an abundant number, since it is smaller than the sum of its proper divisors (416364).

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

298644 is a wasteful number, since it uses less digits than its factorization.

298644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 653 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 298644 is about 546.4833025811. The cubic root of 298644 is about 66.8422814301.

The spelling of 298644 in words is "two hundred ninety-eight thousand, six hundred forty-four".