620324 has 6 divisors (see below), whose sum is σ = 1085574. Its totient is φ = 310160.

The previous prime is 620317. The next prime is 620329. The reversal of 620324 is 423026.

620324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 399424 + 220900 = 632^2 + 470^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620324.

It is not an unprimeable number, because it can be changed into a prime (620329) by changing a digit.

620324 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77537 + ... + 77544.

It is an arithmetic number, because the mean of its divisors is an integer number (180929).

2⁶²⁰³²⁴ is an apocalyptic number.

It is an amenable number.

620324 is a deficient number, since it is larger than the sum of its proper divisors (465250).

620324 is a wasteful number, since it uses less digits than its factorization.

620324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155085 (or 155083 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 620324 is about 787.6065007350. The cubic root of 620324 is about 85.2850407631.

The spelling of 620324 in words is "six hundred twenty thousand, three hundred twenty-four".