990734 has 8 divisors (see below), whose sum is σ = 1507248. Its totient is φ = 488320.

The previous prime is 990733. The next prime is 990761. The reversal of 990734 is 437099.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 990734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3347 + ... + 3630.

It is an arithmetic number, because the mean of its divisors is an integer number (188406).

2⁹⁹⁰⁷³⁴ is an apocalyptic number.

990734 is a deficient number, since it is larger than the sum of its proper divisors (516514).

990734 is a wasteful number, since it uses less digits than its factorization.

990734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7050.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 990734 is about 995.3562176427. The cubic root of 990734 is about 99.6901744057.

The spelling of 990734 in words is "nine hundred ninety thousand, seven hundred thirty-four".