683455 has 4 divisors (see below), whose sum is σ = 820152. Its totient is φ = 546760.

The previous prime is 683453. The next prime is 683461. The reversal of 683455 is 554386.

683455 = 335² + 336² + ... + 340².

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 683455 - 2¹ = 683453 is a prime.

It is a super-2 number, since 2×683455² = 934221474050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683453) 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, 68341 + ... + 68350.

It is an arithmetic number, because the mean of its divisors is an integer number (205038).

2⁶⁸³⁴⁵⁵ is an apocalyptic number.

683455 is a deficient number, since it is larger than the sum of its proper divisors (136697).

683455 is a wasteful number, since it uses less digits than its factorization.

683455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136696.

The product of its digits is 14400, while the sum is 31.

The square root of 683455 is about 826.7133723365. The cubic root of 683455 is about 88.0852737463.

It can be divided in two parts, 6834 and 55, that added together give a square (6889 = 83²).

The spelling of 683455 in words is "six hundred eighty-three thousand, four hundred fifty-five".