620356 has 24 divisors (see below), whose sum is σ = 1237824. Its totient is φ = 269280.

The previous prime is 620351. The next prime is 620359. The reversal of 620356 is 653026.

620356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (620351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706 + ... + 1318.

It is an arithmetic number, because the mean of its divisors is an integer number (51576).

2⁶²⁰³⁵⁶ is an apocalyptic number.

It is an amenable number.

620356 is a deficient number, since it is larger than the sum of its proper divisors (617468).

620356 is a wasteful number, since it uses less digits than its factorization.

620356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 620356 is about 787.6268151860. The cubic root of 620356 is about 85.2865072411.

The spelling of 620356 in words is "six hundred twenty thousand, three hundred fifty-six".