198649962 has 32 divisors (see below), whose sum is σ = 504508800. Its totient is φ = 56757024.

The previous prime is 198649951. The next prime is 198649963. The reversal of 198649962 is 269946891.

198649962 is a `hidden beast` number, since 1 + 98 + 6 + 499 + 62 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 198649899 and 198649908.

It is not an unprimeable number, because it can be changed into a prime (198649963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262387 + ... + 263142.

It is an arithmetic number, because the mean of its divisors is an integer number (15765900).

Almost surely, 2^198649962 is an apocalyptic number.

198649962 is an abundant number, since it is smaller than the sum of its proper divisors (305858838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198649962 is a wasteful number, since it uses less digits than its factorization.

198649962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525547 (or 525541 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 198649962 is about 14094.3237510709. The cubic root of 198649962 is about 583.4847307349.

The spelling of 198649962 in words is "one hundred ninety-eight million, six hundred forty-nine thousand, nine hundred sixty-two".