708990 has 16 divisors (see below), whose sum is σ = 1701648. Its totient is φ = 189056.

The previous prime is 708989. The next prime is 708991. The reversal of 708990 is 99807.

It is an interprime number because it is at equal distance from previous prime (708989) and next prime (708991).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708991) 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, 11787 + ... + 11846.

It is an arithmetic number, because the mean of its divisors is an integer number (106353).

2⁷⁰⁸⁹⁹⁰ is an apocalyptic number.

708990 is an abundant number, since it is smaller than the sum of its proper divisors (992658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

708990 is a wasteful number, since it uses less digits than its factorization.

708990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23643.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 708990 is about 842.0154392884. The cubic root of 708990 is about 89.1688919389.

The spelling of 708990 in words is "seven hundred eight thousand, nine hundred ninety".