708940891 has 8 divisors (see below), whose sum is σ = 763628544. Its totient is φ = 656241960.

The previous prime is 708940867. The next prime is 708940907. The reversal of 708940891 is 198049807.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 708940891 - 2⁷ = 708940763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (708940811) 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, 496441 + ... + 497866.

It is an arithmetic number, because the mean of its divisors is an integer number (95453568).

Almost surely, 2^708940891 is an apocalyptic number.

708940891 is a deficient number, since it is larger than the sum of its proper divisors (54687653).

708940891 is a wasteful number, since it uses less digits than its factorization.

708940891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994361.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 708940891 is about 26625.9439457083. The cubic root of 708940891 is about 891.6683309642.

The spelling of 708940891 in words is "seven hundred eight million, nine hundred forty thousand, eight hundred ninety-one".