991802 has 8 divisors (see below), whose sum is σ = 1700256. Its totient is φ = 425052.

The previous prime is 991777. The next prime is 991811. The reversal of 991802 is 208199.

991802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35408 + ... + 35435.

It is an arithmetic number, because the mean of its divisors is an integer number (212532).

2⁹⁹¹⁸⁰² is an apocalyptic number.

991802 is a deficient number, since it is larger than the sum of its proper divisors (708454).

991802 is a wasteful number, since it uses less digits than its factorization.

991802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70852.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 991802 is about 995.8925644868. The cubic root of 991802 is about 99.7259831669.

The spelling of 991802 in words is "nine hundred ninety-one thousand, eight hundred two".