620330 has 32 divisors (see below), whose sum is σ = 1224720. Its totient is φ = 225280.

The previous prime is 620329. The next prime is 620351. The reversal of 620330 is 33026.

It can be written as a sum of positive squares in 8 ways, for example, as 100489 + 519841 = 317^2 + 721^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620330.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6926 + ... + 7014.

2⁶²⁰³³⁰ is an apocalyptic number.

620330 is a deficient number, since it is larger than the sum of its proper divisors (604390).

620330 is a wasteful number, since it uses less digits than its factorization.

620330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 620330 is about 787.6103097345. The cubic root of 620330 is about 85.2853157316.

Adding to 620330 its reverse (33026), we get a palindrome (653356).

The spelling of 620330 in words is "six hundred twenty thousand, three hundred thirty".