620516 has 12 divisors (see below), whose sum is σ = 1169532. Its totient is φ = 286368.

The previous prime is 620507. The next prime is 620519. The reversal of 620516 is 615026.

It can be written as a sum of positive squares in 2 ways, for example, as 306916 + 313600 = 554^2 + 560^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620519) 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, 5915 + ... + 6018.

It is an arithmetic number, because the mean of its divisors is an integer number (97461).

2⁶²⁰⁵¹⁶ is an apocalyptic number.

It is an amenable number.

620516 is a deficient number, since it is larger than the sum of its proper divisors (549016).

620516 is a wasteful number, since it uses less digits than its factorization.

620516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11950 (or 11948 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 620516 is about 787.7283795827. The cubic root of 620516 is about 85.2938388744.

The spelling of 620516 in words is "six hundred twenty thousand, five hundred sixteen".