199249248 has 144 divisors (see below), whose sum is σ = 609320880. Its totient is φ = 56770560.

The previous prime is 199249247. The next prime is 199249261. The reversal of 199249248 is 842942991.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 199249197 and 199249206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199249243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196968 + ... + 197976.

It is an arithmetic number, because the mean of its divisors is an integer number (4231395).

Almost surely, 2^199249248 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 199249248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304660440).

199249248 is an abundant number, since it is smaller than the sum of its proper divisors (410071632).

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

199249248 is a wasteful number, since it uses less digits than its factorization.

199249248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1042 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 199249248 is about 14115.5675762613. The cubic root of 199249248 is about 584.0708927512.

The spelling of 199249248 in words is "one hundred ninety-nine million, two hundred forty-nine thousand, two hundred forty-eight".