620948 has 24 divisors (see below), whose sum is σ = 1156680. Its totient is φ = 291200.

The previous prime is 620947. The next prime is 620957. The reversal of 620948 is 849026.

620948 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 4 ways, for example, as 327184 + 293764 = 572^2 + 542^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 620948.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620948.

It is not an unprimeable number, because it can be changed into a prime (620947) 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, 6098 + ... + 6198.

It is an arithmetic number, because the mean of its divisors is an integer number (48195).

2⁶²⁰⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

620948 is a deficient number, since it is larger than the sum of its proper divisors (535732).

620948 is a wasteful number, since it uses less digits than its factorization.

620948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 620948 is about 788.0025380670. The cubic root of 620948 is about 85.3136279912.

620948 divided by its sum of digits (29) gives a palindrome (21412).

The spelling of 620948 in words is "six hundred twenty thousand, nine hundred forty-eight".