298163493 has 24 divisors (see below), whose sum is σ = 456738048. Its totient is φ = 186786432.

The previous prime is 298163483. The next prime is 298163497. The reversal of 298163493 is 394361892.

It is a happy number.

298163493 is a `hidden beast` number, since 2 + 9 + 8 + 1 + 634 + 9 + 3 = 666.

It is not a de Polignac number, because 298163493 - 2⁴ = 298163477 is a prime.

It is a super-2 number, since 2×298163493² = 177802937115922098, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298163497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133996 + ... + 136202.

It is an arithmetic number, because the mean of its divisors is an integer number (19030752).

Almost surely, 2^298163493 is an apocalyptic number.

It is an amenable number.

298163493 is a deficient number, since it is larger than the sum of its proper divisors (158574555).

298163493 is a wasteful number, since it uses less digits than its factorization.

298163493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113 (or 3110 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 298163493 is about 17267.4112999025. The cubic root of 298163493 is about 668.0641327803.

The spelling of 298163493 in words is "two hundred ninety-eight million, one hundred sixty-three thousand, four hundred ninety-three".