826490 has 16 divisors (see below), whose sum is σ = 1700352. Its totient is φ = 283344.

The previous prime is 826477. The next prime is 826493. The reversal of 826490 is 94628.

It is not an unprimeable number, because it can be changed into a prime (826493) 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 7 ways as a sum of consecutive naturals, for example, 5834 + ... + 5973.

It is an arithmetic number, because the mean of its divisors is an integer number (106272).

2⁸²⁶⁴⁹⁰ is an apocalyptic number.

826490 is an abundant number, since it is smaller than the sum of its proper divisors (873862).

It is a weird number, because it is abundant, but not a pseudoperfect number.

826490 is a wasteful number, since it uses less digits than its factorization.

826490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11821.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 826490 is about 909.1149542275. The cubic root of 826490 is about 93.8453016068.

The spelling of 826490 in words is "eight hundred twenty-six thousand, four hundred ninety".