190243200 has 384 divisors, whose sum is σ = 758880000. Its totient is φ = 40919040.

The previous prime is 190243177. The next prime is 190243241. The reversal of 190243200 is 2342091.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1276726 + ... + 1276874.

It is an arithmetic number, because the mean of its divisors is an integer number (1976250).

Almost surely, 2^190243200 is an apocalyptic number.

190243200 is a gapful number since it is divisible by the number (10) 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 190243200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379440000).

190243200 is an abundant number, since it is smaller than the sum of its proper divisors (568636800).

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

190243200 is a wasteful number, since it uses less digits than its factorization.

190243200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 190243200 is about 13792.8677221236. The cubic root of 190243200 is about 575.1348895887.

Adding to 190243200 its reverse (2342091), we get a palindrome (192585291).

The spelling of 190243200 in words is "one hundred ninety million, two hundred forty-three thousand, two hundred".