298098623 has 2 divisors, whose sum is σ = 298098624. Its totient is φ = 298098622.

The previous prime is 298098601. The next prime is 298098629. The reversal of 298098623 is 326890892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 298098623 - 2²⁴ = 281321407 is a prime.

It is a super-2 number, since 2×298098623² = 177725578068992258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298098629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149049311 + 149049312.

It is an arithmetic number, because the mean of its divisors is an integer number (149049312).

Almost surely, 2^298098623 is an apocalyptic number.

298098623 is a deficient number, since it is larger than the sum of its proper divisors (1).

298098623 is an equidigital number, since it uses as much as digits as its factorization.

298098623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 298098623 is about 17265.5328038262. The cubic root of 298098623 is about 668.0156800974.

The spelling of 298098623 in words is "two hundred ninety-eight million, ninety-eight thousand, six hundred twenty-three".