620873 has 4 divisors (see below), whose sum is σ = 677328. Its totient is φ = 564420.

The previous prime is 620869. The next prime is 620887. The reversal of 620873 is 378026.

620873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 620873 - 2² = 620869 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 28211 + ... + 28232.

It is an arithmetic number, because the mean of its divisors is an integer number (169332).

2⁶²⁰⁸⁷³ is an apocalyptic number.

It is an amenable number.

620873 is a deficient number, since it is larger than the sum of its proper divisors (56455).

620873 is a wasteful number, since it uses less digits than its factorization.

620873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56454.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 620873 is about 787.9549479507. The cubic root of 620873 is about 85.3101930392.

Adding to 620873 its reverse (378026), we get a palindrome (998899).

The spelling of 620873 in words is "six hundred twenty thousand, eight hundred seventy-three".