298878 has 16 divisors (see below), whose sum is σ = 604560. Its totient is φ = 98496.

The previous prime is 298861. The next prime is 298897. The reversal of 298878 is 878892.

It is a happy number.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426 + ... + 882.

It is an arithmetic number, because the mean of its divisors is an integer number (37785).

2²⁹⁸⁸⁷⁸ is an apocalyptic number.

298878 is an abundant number, since it is smaller than the sum of its proper divisors (305682).

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

298878 is a wasteful number, since it uses less digits than its factorization.

298878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571.

The product of its digits is 64512, while the sum is 42.

The square root of 298878 is about 546.6973568621. The cubic root of 298878 is about 66.8597347753.

It can be divided in two parts, 298 and 878, that added together give a triangular number (1176 = T₄₈).

The spelling of 298878 in words is "two hundred ninety-eight thousand, eight hundred seventy-eight".