190081338 has 24 divisors (see below), whose sum is σ = 397416768. Its totient is φ = 60604632.

The previous prime is 190081337. The next prime is 190081351. The reversal of 190081338 is 833180091.

190081338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190081338² = 72261830111740488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190081299 and 190081308.

It is not an unprimeable number, because it can be changed into a prime (190081337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26770 + ... + 33117.

It is an arithmetic number, because the mean of its divisors is an integer number (16559032).

Almost surely, 2^190081338 is an apocalyptic number.

190081338 is an abundant number, since it is smaller than the sum of its proper divisors (207335430).

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

190081338 is a wasteful number, since it uses less digits than its factorization.

190081338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59938 (or 59915 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 190081338 is about 13786.9988757525. The cubic root of 190081338 is about 574.9717319436.

It can be divided in two parts, 1900 and 81338, that added together give a palindrome (83238).

The spelling of 190081338 in words is "one hundred ninety million, eighty-one thousand, three hundred thirty-eight".