190632338 has 18 divisors (see below), whose sum is σ = 310049397. Its totient is φ = 87867000.

The previous prime is 190632331. The next prime is 190632391. The reversal of 190632338 is 833236091.

190632338 is digitally balanced in base 2, 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 162996289 + 27636049 = 12767^2 + 5257^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=9763.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190632298 and 190632307.

It is not an unprimeable number, because it can be changed into a prime (190632331) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 253463 + ... + 254213.

Almost surely, 2^190632338 is an apocalyptic number.

190632338 is a deficient number, since it is larger than the sum of its proper divisors (119417059).

190632338 is an frugal number, since it uses more digits than its factorization.

190632338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 190632338 is about 13806.9670094485. The cubic root of 190632338 is about 575.5267641588.

Multiplying 190632338 by its product of nonzero digits (23328), we get a square (4447071180864 = 2108808²).

The spelling of 190632338 in words is "one hundred ninety million, six hundred thirty-two thousand, three hundred thirty-eight".