620930 has 16 divisors (see below), whose sum is σ = 1154304. Its totient is φ = 240240.

The previous prime is 620929. The next prime is 620933. The reversal of 620930 is 39026.

It is a happy number.

620930 is a modest number, since divided by 930 gives 620 as remainder.

It is not an unprimeable number, because it can be changed into a prime (620933) 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, 692 + ... + 1311.

It is an arithmetic number, because the mean of its divisors is an integer number (72144).

2⁶²⁰⁹³⁰ is an apocalyptic number.

620930 is a deficient number, since it is larger than the sum of its proper divisors (533374).

620930 is a wasteful number, since it uses less digits than its factorization.

620930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 620930 is about 787.9911167012. The cubic root of 620930 is about 85.3128036279.

Adding to 620930 its reverse (39026), we get a palindrome (659956).

The spelling of 620930 in words is "six hundred twenty thousand, nine hundred thirty".