198923625 has 48 divisors (see below), whose sum is σ = 361276032. Its totient is φ = 105300000.

The previous prime is 198923567. The next prime is 198923639. The reversal of 198923625 is 526329891.

198923625 is a `hidden beast` number, since 19 + 8 + 9 + 2 + 3 + 625 = 666.

It is not a de Polignac number, because 198923625 - 2¹¹ = 198921577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169290 + ... + 170460.

It is an arithmetic number, because the mean of its divisors is an integer number (7526584).

Almost surely, 2^198923625 is an apocalyptic number.

198923625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198923625 is a deficient number, since it is larger than the sum of its proper divisors (162352407).

198923625 is a wasteful number, since it uses less digits than its factorization.

198923625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 1330 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 198923625 is about 14104.0286797780. The cubic root of 198923625 is about 583.7525467320.

The spelling of 198923625 in words is "one hundred ninety-eight million, nine hundred twenty-three thousand, six hundred twenty-five".