620235 has 48 divisors (see below), whose sum is σ = 1347840. Its totient is φ = 256320.

The previous prime is 620233. The next prime is 620237. The reversal of 620235 is 532026.

620235 = 78² + 79² + ... + 132².

It is an interprime number because it is at equal distance from previous prime (620233) and next prime (620237).

It is not a de Polignac number, because 620235 - 2¹ = 620233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3376 + ... + 3554.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2⁶²⁰²³⁵ is an apocalyptic number.

620235 is an abundant number, since it is smaller than the sum of its proper divisors (727605).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620235 is a wasteful number, since it uses less digits than its factorization.

620235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 620235 is about 787.5499984128. The cubic root of 620235 is about 85.2809618561.

Subtracting from 620235 its reverse (532026), we obtain a square (88209 = 297²).

The spelling of 620235 in words is "six hundred twenty thousand, two hundred thirty-five".