620877 has 8 divisors (see below), whose sum is σ = 847264. Its totient is φ = 404208.

The previous prime is 620869. The next prime is 620887. The reversal of 620877 is 778026.

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

It is not a de Polignac number, because 620877 - 2³ = 620869 is a prime.

It is a Duffinian number.

620877 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2278 + ... + 2535.

It is an arithmetic number, because the mean of its divisors is an integer number (105908).

2⁶²⁰⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

620877 is a deficient number, since it is larger than the sum of its proper divisors (226387).

620877 is a wasteful number, since it uses less digits than its factorization.

620877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 620877 is about 787.9574861628. The cubic root of 620877 is about 85.3103762436.

The spelling of 620877 in words is "six hundred twenty thousand, eight hundred seventy-seven".