199498464 has 120 divisors (see below), whose sum is σ = 640149048. Its totient is φ = 60445440.

The previous prime is 199498391. The next prime is 199498483. The reversal of 199498464 is 464894991.

It is a happy number.

199498464 is a `hidden beast` number, since 1 + 9 + 94 + 98 + 464 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 199498464.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25014 + ... + 32010.

Almost surely, 2^199498464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199498464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320074524).

199498464 is an abundant number, since it is smaller than the sum of its proper divisors (440650584).

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

199498464 is a wasteful number, since it uses less digits than its factorization.

199498464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7030 (or 7013 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 199498464 is about 14124.3925179103. The cubic root of 199498464 is about 584.3143050730.

The spelling of 199498464 in words is "one hundred ninety-nine million, four hundred ninety-eight thousand, four hundred sixty-four".