683490 has 16 divisors (see below), whose sum is σ = 1640448. Its totient is φ = 182256.

The previous prime is 683489. The next prime is 683503. The reversal of 683490 is 94386.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 22783 = 683490 / (6 + 8 + 3 + 4 + 9 + 0).

It is an unprimeable number.

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, 11362 + ... + 11421.

It is an arithmetic number, because the mean of its divisors is an integer number (102528).

2⁶⁸³⁴⁹⁰ is an apocalyptic number.

683490 is an abundant number, since it is smaller than the sum of its proper divisors (956958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

683490 is a wasteful number, since it uses less digits than its factorization.

683490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22793.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 683490 is about 826.7345402244. The cubic root of 683490 is about 88.0867773478.

The spelling of 683490 in words is "six hundred eighty-three thousand, four hundred ninety".