826990 has 8 divisors (see below), whose sum is σ = 1488600. Its totient is φ = 330792.

The previous prime is 826979. The next prime is 826997. The reversal of 826990 is 99628.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41340 + ... + 41359.

It is an arithmetic number, because the mean of its divisors is an integer number (186075).

2⁸²⁶⁹⁹⁰ is an apocalyptic number.

826990 is a deficient number, since it is larger than the sum of its proper divisors (661610).

826990 is a wasteful number, since it uses less digits than its factorization.

826990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82706.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 826990 is about 909.3899053761. The cubic root of 826990 is about 93.8642222599.

The spelling of 826990 in words is "eight hundred twenty-six thousand, nine hundred ninety".