846490 has 8 divisors (see below), whose sum is σ = 1523700. Its totient is φ = 338592.

The previous prime is 846487. The next prime is 846493. The reversal of 846490 is 94648.

It is an interprime number because it is at equal distance from previous prime (846487) and next prime (846493).

It can be written as a sum of positive squares in 2 ways, for example, as 790321 + 56169 = 889^2 + 237^2 .

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

It is not an unprimeable number, because it can be changed into a prime (846493) 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, 42315 + ... + 42334.

2⁸⁴⁶⁴⁹⁰ is an apocalyptic number.

846490 is a deficient number, since it is larger than the sum of its proper divisors (677210).

846490 is a wasteful number, since it uses less digits than its factorization.

846490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84656.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 846490 is about 920.0489117433. The cubic root of 846490 is about 94.5962551428.

The spelling of 846490 in words is "eight hundred forty-six thousand, four hundred ninety".