198286429 has 4 divisors (see below), whose sum is σ = 216312480. Its totient is φ = 180260380.

The previous prime is 198286423. The next prime is 198286499. The reversal of 198286429 is 924682891.

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 198286429 - 2³ = 198286421 is a prime.

It is a super-3 number, since 3×198286429³ (a number of 26 digits) contains 333 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 (198286421) 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, 9013009 + ... + 9013030.

It is an arithmetic number, because the mean of its divisors is an integer number (54078120).

Almost surely, 2^198286429 is an apocalyptic number.

It is an amenable number.

198286429 is a deficient number, since it is larger than the sum of its proper divisors (18026051).

198286429 is a wasteful number, since it uses less digits than its factorization.

198286429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18026050.

The product of its digits is 497664, while the sum is 49.

The square root of 198286429 is about 14081.4214126273. The cubic root of 198286429 is about 583.1285842143.

The spelling of 198286429 in words is "one hundred ninety-eight million, two hundred eighty-six thousand, four hundred twenty-nine".