298378 has 8 divisors (see below), whose sum is σ = 450468. Its totient is φ = 148224.

The previous prime is 298373. The next prime is 298399. The reversal of 298378 is 873892.

298378 is a nontrivial binomial coefficient, being equal to C(773, 2).

It can be written as a sum of positive squares in 2 ways, for example, as 253009 + 45369 = 503^2 + 213^2 .

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

It is not an unprimeable number, because it can be changed into a prime (298373) by changing a digit.

298378 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 3 ways as a sum of consecutive naturals, for example, 1 + ... + 772.

2²⁹⁸³⁷⁸ is an apocalyptic number.

298378 is the 772-nd triangular number.

298378 is the 258-th centered nonagonal number.

298378 is a deficient number, since it is larger than the sum of its proper divisors (152090).

298378 is a wasteful number, since it uses less digits than its factorization.

298378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968.

The product of its digits is 24192, while the sum is 37.

The square root of 298378 is about 546.2398740480. The cubic root of 298378 is about 66.8224302267.

It can be divided in two parts, 298 and 378, that added together give a palindrome (676).

The spelling of 298378 in words is "two hundred ninety-eight thousand, three hundred seventy-eight".