298646 has 4 divisors (see below), whose sum is σ = 447972. Its totient is φ = 149322.

The previous prime is 298631. The next prime is 298651. The reversal of 298646 is 646892.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

298646 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 as a sum of consecutive naturals, namely, 74660 + ... + 74663.

It is an arithmetic number, because the mean of its divisors is an integer number (111993).

2²⁹⁸⁶⁴⁶ is an apocalyptic number.

298646 is a deficient number, since it is larger than the sum of its proper divisors (149326).

298646 is a wasteful number, since it uses less digits than its factorization.

298646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149325.

The product of its digits is 20736, while the sum is 35.

The square root of 298646 is about 546.4851324602. The cubic root of 298646 is about 66.8424306426.

The spelling of 298646 in words is "two hundred ninety-eight thousand, six hundred forty-six".