620230 has 24 divisors (see below), whose sum is σ = 1212192. Its totient is φ = 228384.

The previous prime is 620227. The next prime is 620233. The reversal of 620230 is 32026.

It is an interprime number because it is at equal distance from previous prime (620227) and next prime (620233).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 620230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620233) 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 11 ways as a sum of consecutive naturals, for example, 1507 + ... + 1873.

It is an arithmetic number, because the mean of its divisors is an integer number (50508).

2⁶²⁰²³⁰ is an apocalyptic number.

620230 is a deficient number, since it is larger than the sum of its proper divisors (591962).

620230 is a wasteful number, since it uses less digits than its factorization.

620230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 620230 is about 787.5468240048. The cubic root of 620230 is about 85.2807326925.

Adding to 620230 its reverse (32026), we get a palindrome (652256).

The spelling of 620230 in words is "six hundred twenty thousand, two hundred thirty".