190935738 has 128 divisors (see below), whose sum is σ = 526141440. Its totient is φ = 50077440.

The previous prime is 190935713. The next prime is 190935751. The reversal of 190935738 is 837539091.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 190935693 and 190935702.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 275973 + ... + 276663.

It is an arithmetic number, because the mean of its divisors is an integer number (4110480).

Almost surely, 2^190935738 is an apocalyptic number.

190935738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 190935738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263070720).

190935738 is an abundant number, since it is smaller than the sum of its proper divisors (335205702).

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

190935738 is a wasteful number, since it uses less digits than its factorization.

190935738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 190935738 is about 13817.9498479333. The cubic root of 190935738 is about 575.8319279593.

The spelling of 190935738 in words is "one hundred ninety million, nine hundred thirty-five thousand, seven hundred thirty-eight".