298426 has 4 divisors (see below), whose sum is σ = 447642. Its totient is φ = 149212.

The previous prime is 298411. The next prime is 298427. The reversal of 298426 is 624892.

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

It can be written as a sum of positive squares in only one way, i.e., 275625 + 22801 = 525^2 + 151^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (298427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74605 + ... + 74608.

2²⁹⁸⁴²⁶ is an apocalyptic number.

298426 is the 346-th centered pentagonal number.

298426 is a deficient number, since it is larger than the sum of its proper divisors (149216).

298426 is a wasteful number, since it uses less digits than its factorization.

298426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149215.

The product of its digits is 6912, while the sum is 31.

The square root of 298426 is about 546.2838090224. The cubic root of 298426 is about 66.8260132709.

The spelling of 298426 in words is "two hundred ninety-eight thousand, four hundred twenty-six".