198627670 has 16 divisors (see below), whose sum is σ = 369858960. Its totient is φ = 76711264.

The previous prime is 198627647. The next prime is 198627673. The reversal of 198627670 is 76726891.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 198627670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198627673) 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, 342172 + ... + 342751.

It is an arithmetic number, because the mean of its divisors is an integer number (23116185).

Almost surely, 2^198627670 is an apocalyptic number.

198627670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198627670 is a deficient number, since it is larger than the sum of its proper divisors (171231290).

198627670 is a wasteful number, since it uses less digits than its factorization.

198627670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684959.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 198627670 is about 14093.5329140709. The cubic root of 198627670 is about 583.4629041879.

The spelling of 198627670 in words is "one hundred ninety-eight million, six hundred twenty-seven thousand, six hundred seventy".