298878273 has 12 divisors (see below), whose sum is σ = 431999568. Its totient is φ = 199119960.

The previous prime is 298878271. The next prime is 298878313. The reversal of 298878273 is 372878892.

298878273 is a `hidden beast` number, since 298 + 87 + 8 + 273 = 666.

It is not a de Polignac number, because 298878273 - 2¹ = 298878271 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (298878271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4438 + ... + 24848.

It is an arithmetic number, because the mean of its divisors is an integer number (35999964).

Almost surely, 2^298878273 is an apocalyptic number.

It is an amenable number.

298878273 is a deficient number, since it is larger than the sum of its proper divisors (133121295).

298878273 is a wasteful number, since it uses less digits than its factorization.

298878273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22044 (or 22041 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 298878273 is about 17288.0962803890. The cubic root of 298878273 is about 668.5975513219.

It can be divided in two parts, 298878 and 273, that added together give a triangular number (299151 = T₇₇₃).

The spelling of 298878273 in words is "two hundred ninety-eight million, eight hundred seventy-eight thousand, two hundred seventy-three".