621348 has 48 divisors (see below), whose sum is σ = 1787520. Its totient is φ = 163584.

The previous prime is 621347. The next prime is 621353. The reversal of 621348 is 843126.

It is a happy number.

621348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (621343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808 + ... + 1376.

It is an arithmetic number, because the mean of its divisors is an integer number (37240).

2⁶²¹³⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 621348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893760).

621348 is an abundant number, since it is smaller than the sum of its proper divisors (1166172).

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

621348 is a wasteful number, since it uses less digits than its factorization.

621348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 594 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 621348 is about 788.2563034953. The cubic root of 621348 is about 85.3319430655.

It can be divided in two parts, 621 and 348, that added together give a palindrome (969).

The spelling of 621348 in words is "six hundred twenty-one thousand, three hundred forty-eight".