620896 has 12 divisors (see below), whose sum is σ = 1222452. Its totient is φ = 310432.

The previous prime is 620887. The next prime is 620909. The reversal of 620896 is 698026.

It is a congruent number.

It is an unprimeable number.

620896 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9670 + ... + 9733.

It is an arithmetic number, because the mean of its divisors is an integer number (101871).

2⁶²⁰⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

620896 is a deficient number, since it is larger than the sum of its proper divisors (601556).

620896 is a wasteful number, since it uses less digits than its factorization.

620896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19413 (or 19405 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 620896 is about 787.9695425586. The cubic root of 620896 is about 85.3112464539.

It can be divided in two parts, 6 and 20896, that added together give a palindrome (20902).

The spelling of 620896 in words is "six hundred twenty thousand, eight hundred ninety-six".