620248 has 32 divisors (see below), whose sum is σ = 1249920. Its totient is φ = 288000.

The previous prime is 620239. The next prime is 620251. The reversal of 620248 is 842026.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10138 + ... + 10198.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2⁶²⁰²⁴⁸ is an apocalyptic number.

It is an amenable number.

620248 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620248 is a wasteful number, since it uses less digits than its factorization.

620248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 620248 is about 787.5582518138. The cubic root of 620248 is about 85.2815576759.

It can be divided in two parts, 620 and 248, that added together give a palindrome (868).

The spelling of 620248 in words is "six hundred twenty thousand, two hundred forty-eight".