199970496 has 168 divisors, whose sum is σ = 642939024. Its totient is φ = 58890240.

The previous prime is 199970471. The next prime is 199970501. The reversal of 199970496 is 694079991.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234006 + ... + 234858.

It is an arithmetic number, because the mean of its divisors is an integer number (3827018).

Almost surely, 2^199970496 is an apocalyptic number.

199970496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199970496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321469512).

199970496 is an abundant number, since it is smaller than the sum of its proper divisors (442968528).

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

199970496 is a wasteful number, since it uses less digits than its factorization.

199970496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 54.

The square root of 199970496 is about 14141.0924613341. The cubic root of 199970496 is about 584.7747894886.

The spelling of 199970496 in words is "one hundred ninety-nine million, nine hundred seventy thousand, four hundred ninety-six".