198882469 has 2 divisors, whose sum is σ = 198882470. Its totient is φ = 198882468.

The previous prime is 198882461. The next prime is 198882479. The reversal of 198882469 is 964288891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198669025 + 213444 = 14095^2 + 462^2 .

It is a cyclic number.

It is not a de Polignac number, because 198882469 - 2³ = 198882461 is a prime.

It is a super-2 number, since 2×198882469² = 79108472951071922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198882461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99441234 + 99441235.

It is an arithmetic number, because the mean of its divisors is an integer number (99441235).

Almost surely, 2^198882469 is an apocalyptic number.

It is an amenable number.

198882469 is a deficient number, since it is larger than the sum of its proper divisors (1).

198882469 is an equidigital number, since it uses as much as digits as its factorization.

198882469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 55.

The square root of 198882469 is about 14102.5695885537. The cubic root of 198882469 is about 583.7122857577.

The spelling of 198882469 in words is "one hundred ninety-eight million, eight hundred eighty-two thousand, four hundred sixty-nine".