620234 has 4 divisors (see below), whose sum is σ = 930354. Its totient is φ = 310116.

The previous prime is 620233. The next prime is 620237. The reversal of 620234 is 432026.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 494209 + 126025 = 703^2 + 355^2 .

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 as a sum of consecutive naturals, namely, 155057 + ... + 155060.

2⁶²⁰²³⁴ is an apocalyptic number.

620234 is a deficient number, since it is larger than the sum of its proper divisors (310120).

620234 is a wasteful number, since it uses less digits than its factorization.

620234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310119.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 620234 is about 787.5493635322. The cubic root of 620234 is about 85.2809160235.

The spelling of 620234 in words is "six hundred twenty thousand, two hundred thirty-four".