682390 has 8 divisors (see below), whose sum is σ = 1228320. Its totient is φ = 272952.

The previous prime is 682373. The next prime is 682411. The reversal of 682390 is 93286.

682390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×682390² = 931312224200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34110 + ... + 34129.

It is an arithmetic number, because the mean of its divisors is an integer number (153540).

2⁶⁸²³⁹⁰ is an apocalyptic number.

682390 is a deficient number, since it is larger than the sum of its proper divisors (545930).

682390 is a wasteful number, since it uses less digits than its factorization.

682390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68246.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 682390 is about 826.0690043816. The cubic root of 682390 is about 88.0394967330.

The spelling of 682390 in words is "six hundred eighty-two thousand, three hundred ninety".