198237469 has 4 divisors (see below), whose sum is σ = 208671040. Its totient is φ = 187803900.

The previous prime is 198237461. The next prime is 198237499. The reversal of 198237469 is 964732891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 198237469 - 2³ = 198237461 is a prime.

It is a super-2 number, since 2×198237469² = 78596188231051922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198237461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5216757 + ... + 5216794.

It is an arithmetic number, because the mean of its divisors is an integer number (52167760).

Almost surely, 2^198237469 is an apocalyptic number.

198237469 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

198237469 is a deficient number, since it is larger than the sum of its proper divisors (10433571).

198237469 is a wasteful number, since it uses less digits than its factorization.

198237469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10433570.

The product of its digits is 653184, while the sum is 49.

The square root of 198237469 is about 14079.6828444394. The cubic root of 198237469 is about 583.0805857612.

The spelling of 198237469 in words is "one hundred ninety-eight million, two hundred thirty-seven thousand, four hundred sixty-nine".