620164 has 12 divisors (see below), whose sum is σ = 1091664. Its totient is φ = 308264.

The previous prime is 620161. The next prime is 620171. The reversal of 620164 is 461026.

It is not an unprimeable number, because it can be changed into a prime (620161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567 + ... + 1249.

It is an arithmetic number, because the mean of its divisors is an integer number (90972).

2⁶²⁰¹⁶⁴ is an apocalyptic number.

It is an amenable number.

620164 is a deficient number, since it is larger than the sum of its proper divisors (471500).

620164 is a wasteful number, since it uses less digits than its factorization.

620164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 620164 is about 787.5049206195. The cubic root of 620164 is about 85.2777076168.

It can be divided in two parts, 620 and 164, that added together give a square (784 = 28²).

The spelling of 620164 in words is "six hundred twenty thousand, one hundred sixty-four".