190835380 has 36 divisors (see below), whose sum is σ = 414140580. Its totient is φ = 73864320.

The previous prime is 190835377. The next prime is 190835401. The reversal of 190835380 is 83538091.

190835380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 53523856 + 137311524 = 7316^2 + 11718^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14256 + ... + 24184.

It is an arithmetic number, because the mean of its divisors is an integer number (11503905).

Almost surely, 2^190835380 is an apocalyptic number.

190835380 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 190835380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207070290).

190835380 is an abundant number, since it is smaller than the sum of its proper divisors (223305200).

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

190835380 is a wasteful number, since it uses less digits than its factorization.

190835380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000 (or 9967 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 190835380 is about 13814.3179346647. The cubic root of 190835380 is about 575.7310223368.

The spelling of 190835380 in words is "one hundred ninety million, eight hundred thirty-five thousand, three hundred eighty".