190870344 has 160 divisors (see below), whose sum is σ = 632491200. Its totient is φ = 52617600.

The previous prime is 190870343. The next prime is 190870357. The reversal of 190870344 is 443078091.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 190870299 and 190870308.

It is not an unprimeable number, because it can be changed into a prime (190870343) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 130819 + ... + 132269.

It is an arithmetic number, because the mean of its divisors is an integer number (3953070).

Almost surely, 2^190870344 is an apocalyptic number.

190870344 is a gapful number since it is divisible by the number (14) 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 190870344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316245600).

190870344 is an abundant number, since it is smaller than the sum of its proper divisors (441620856).

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

190870344 is a wasteful number, since it uses less digits than its factorization.

190870344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 190870344 is about 13815.5833753049. The cubic root of 190870344 is about 575.7661811391.

The spelling of 190870344 in words is "one hundred ninety million, eight hundred seventy thousand, three hundred forty-four".