298730 has 8 divisors (see below), whose sum is σ = 537732. Its totient is φ = 119488.

The previous prime is 298723. The next prime is 298733. The reversal of 298730 is 37892.

It can be written as a sum of positive squares in 2 ways, for example, as 284089 + 14641 = 533^2 + 121^2 .

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

It is a super-2 number, since 2×298730² = 178479225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 298693 and 298702.

It is not an unprimeable number, because it can be changed into a prime (298733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14927 + ... + 14946.

2²⁹⁸⁷³⁰ is an apocalyptic number.

298730 is a deficient number, since it is larger than the sum of its proper divisors (239002).

298730 is a wasteful number, since it uses less digits than its factorization.

298730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29880.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 298730 is about 546.5619818465. The cubic root of 298730 is about 66.8486969666.

The spelling of 298730 in words is "two hundred ninety-eight thousand, seven hundred thirty".