620158 has 16 divisors (see below), whose sum is σ = 1160064. Its totient is φ = 241560.

The previous prime is 620117. The next prime is 620159. The reversal of 620158 is 851026.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620159) by changing a digit.

620158 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1860 + ... + 2167.

It is an arithmetic number, because the mean of its divisors is an integer number (72504).

2⁶²⁰¹⁵⁸ is an apocalyptic number.

620158 is a deficient number, since it is larger than the sum of its proper divisors (539906).

620158 is a wasteful number, since it uses less digits than its factorization.

620158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 620158 is about 787.5011111103. The cubic root of 620158 is about 85.2774325993.

It can be divided in two parts, 6 and 20158, that added together give a square (20164 = 142²).

The spelling of 620158 in words is "six hundred twenty thousand, one hundred fifty-eight".