198965326 has 16 divisors (see below), whose sum is σ = 341702784. Its totient is φ = 85116024.

The previous prime is 198965309. The next prime is 198965329. The reversal of 198965326 is 623569891.

It is a self number, because there is not a number n which added to its sum of digits gives 198965326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198965329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4740 + ... + 20503.

It is an arithmetic number, because the mean of its divisors is an integer number (21356424).

Almost surely, 2^198965326 is an apocalyptic number.

198965326 is a deficient number, since it is larger than the sum of its proper divisors (142737458).

198965326 is a wasteful number, since it uses less digits than its factorization.

198965326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25815.

The product of its digits is 699840, while the sum is 49.

The square root of 198965326 is about 14105.5069387810. The cubic root of 198965326 is about 583.7933351906.

The spelling of 198965326 in words is "one hundred ninety-eight million, nine hundred sixty-five thousand, three hundred twenty-six".