491587094 has 16 divisors (see below), whose sum is σ = 756713232. Its totient is φ = 239382528.

The previous prime is 491587087. The next prime is 491587097. The reversal of 491587094 is 490785194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491587097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22262 + ... + 38454.

It is an arithmetic number, because the mean of its divisors is an integer number (47294577).

Almost surely, 2^491587094 is an apocalyptic number.

491587094 is a deficient number, since it is larger than the sum of its proper divisors (265126138).

491587094 is a wasteful number, since it uses less digits than its factorization.

491587094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16591.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 491587094 is about 22171.7634391133. The cubic root of 491587094 is about 789.2237710133.

The spelling of 491587094 in words is "four hundred ninety-one million, five hundred eighty-seven thousand, ninety-four".