620893 has 8 divisors (see below), whose sum is σ = 764288. Its totient is φ = 491184.

The previous prime is 620887. The next prime is 620909. The reversal of 620893 is 398026.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3321 + ... + 3502.

It is an arithmetic number, because the mean of its divisors is an integer number (95536).

2⁶²⁰⁸⁹³ is an apocalyptic number.

It is an amenable number.

620893 is a deficient number, since it is larger than the sum of its proper divisors (143395).

620893 is a wasteful number, since it uses less digits than its factorization.

620893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6843.

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

The square root of 620893 is about 787.9676389294. The cubic root of 620893 is about 85.3111090534.

The spelling of 620893 in words is "six hundred twenty thousand, eight hundred ninety-three".