298634387 has 2 divisors, whose sum is σ = 298634388. Its totient is φ = 298634386.

The previous prime is 298634333. The next prime is 298634407. The reversal of 298634387 is 783436892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 298634387 - 2⁸ = 298634131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (298634317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149317193 + 149317194.

It is an arithmetic number, because the mean of its divisors is an integer number (149317194).

Almost surely, 2^298634387 is an apocalyptic number.

298634387 is a deficient number, since it is larger than the sum of its proper divisors (1).

298634387 is an equidigital number, since it uses as much as digits as its factorization.

298634387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 50.

The square root of 298634387 is about 17281.0412591371. The cubic root of 298634387 is about 668.4156423083.

It can be divided in two parts, 2986 and 34387, that added together give a palindrome (37373).

The spelling of 298634387 in words is "two hundred ninety-eight million, six hundred thirty-four thousand, three hundred eighty-seven".