191426 has 4 divisors (see below), whose sum is σ = 287142. Its totient is φ = 95712.

The previous prime is 191413. The next prime is 191441. The reversal of 191426 is 624191.

It is a happy number.

191426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 160801 + 30625 = 401^2 + 175^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47855 + ... + 47858.

2¹⁹¹⁴²⁶ is an apocalyptic number.

191426 is a deficient number, since it is larger than the sum of its proper divisors (95716).

191426 is an equidigital number, since it uses as much as digits as its factorization.

191426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95715.

The product of its digits is 432, while the sum is 23.

The square root of 191426 is about 437.5225708464. The cubic root of 191426 is about 57.6324357565.

The spelling of 191426 in words is "one hundred ninety-one thousand, four hundred twenty-six".