298189485 has 64 divisors (see below), whose sum is σ = 583752960. Its totient is φ = 143216640.

The previous prime is 298189483. The next prime is 298189487. The reversal of 298189485 is 584981892.

298189485 is a `hidden beast` number, since 2 + 9 + 81 + 89 + 485 = 666.

It is an interprime number because it is at equal distance from previous prime (298189483) and next prime (298189487).

It is not a de Polignac number, because 298189485 - 2¹ = 298189483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298189483) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 166917 + ... + 168693.

It is an arithmetic number, because the mean of its divisors is an integer number (9121140).

Almost surely, 2^298189485 is an apocalyptic number.

It is an amenable number.

298189485 is a deficient number, since it is larger than the sum of its proper divisors (285563475).

298189485 is a wasteful number, since it uses less digits than its factorization.

298189485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915 (or 1909 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 54.

The square root of 298189485 is about 17268.1639151359. The cubic root of 298189485 is about 668.0835447459.

The spelling of 298189485 in words is "two hundred ninety-eight million, one hundred eighty-nine thousand, four hundred eighty-five".