298985623 has 4 divisors (see below), whose sum is σ = 301268088. Its totient is φ = 296703160.

The previous prime is 298985593. The next prime is 298985629. The reversal of 298985623 is 326589892.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 298985623 - 2⁵ = 298985591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298985629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141036 + ... + 1141297.

It is an arithmetic number, because the mean of its divisors is an integer number (75317022).

Almost surely, 2^298985623 is an apocalyptic number.

298985623 is a deficient number, since it is larger than the sum of its proper divisors (2282465).

298985623 is a wasteful number, since it uses less digits than its factorization.

298985623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282464.

The product of its digits is 1866240, while the sum is 52.

The square root of 298985623 is about 17291.2007391043. The cubic root of 298985623 is about 668.6775898774.

The spelling of 298985623 in words is "two hundred ninety-eight million, nine hundred eighty-five thousand, six hundred twenty-three".