191485426 has 16 divisors (see below), whose sum is σ = 320008320. Its totient is φ = 85186480.

The previous prime is 191485361. The next prime is 191485453. The reversal of 191485426 is 624584191.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91561 + ... + 93628.

It is an arithmetic number, because the mean of its divisors is an integer number (20000520).

Almost surely, 2^191485426 is an apocalyptic number.

191485426 is a deficient number, since it is larger than the sum of its proper divisors (128522894).

191485426 is a wasteful number, since it uses less digits than its factorization.

191485426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185249.

The product of its digits is 69120, while the sum is 40.

The square root of 191485426 is about 13837.8259130544. The cubic root of 191485426 is about 576.3839891511.

The spelling of 191485426 in words is "one hundred ninety-one million, four hundred eighty-five thousand, four hundred twenty-six".