190906800 has 120 divisors (see below), whose sum is σ = 698931456. Its totient is φ = 43633920.

The previous prime is 190906789. The next prime is 190906817. The reversal of 190906800 is 8609091.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

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, 2964 + ... + 19763.

Almost surely, 2^190906800 is an apocalyptic number.

190906800 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 190906800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349465728).

190906800 is an abundant number, since it is smaller than the sum of its proper divisors (508024656).

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

190906800 is a wasteful number, since it uses less digits than its factorization.

190906800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22755 (or 22744 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 190906800 is about 13816.9026919929. The cubic root of 190906800 is about 575.8028356821.

The spelling of 190906800 in words is "one hundred ninety million, nine hundred six thousand, eight hundred".