620832 has 48 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 198912.

The previous prime is 620831. The next prime is 620849. The reversal of 620832 is 238026.

620832 is nontrivially palindromic in base 11 and base 15.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 620799 and 620808.

It is not an unprimeable number, because it can be changed into a prime (620831) 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, 2673 + ... + 2895.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2⁶²⁰⁸³² 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 620832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846720).

620832 is an abundant number, since it is smaller than the sum of its proper divisors (1072608).

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

620832 is a wasteful number, since it uses less digits than its factorization.

620832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 620832 is about 787.9289308053. The cubic root of 620832 is about 85.3083151485.

Adding to 620832 its reverse (238026), we get a palindrome (858858).

The spelling of 620832 in words is "six hundred twenty thousand, eight hundred thirty-two".