919091834 has 16 divisors (see below), whose sum is σ = 1414082880. Its totient is φ = 447759840.

The previous prime is 919091777. The next prime is 919091837. The reversal of 919091834 is 438190919.

It is not an unprimeable number, because it can be changed into a prime (919091837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60677 + ... + 74295.

It is an arithmetic number, because the mean of its divisors is an integer number (88380180).

Almost surely, 2^919091834 is an apocalyptic number.

919091834 is a deficient number, since it is larger than the sum of its proper divisors (494991046).

919091834 is a wasteful number, since it uses less digits than its factorization.

919091834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14485.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 919091834 is about 30316.5274066803. The cubic root of 919091834 is about 972.2686947332.

The spelling of 919091834 in words is "nine hundred nineteen million, ninety-one thousand, eight hundred thirty-four".