620872 has 16 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 266064.

The previous prime is 620869. The next prime is 620887. The reversal of 620872 is 278026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5488 + ... + 5599.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2⁶²⁰⁸⁷² is an apocalyptic number.

It is an amenable number.

620872 is an abundant number, since it is smaller than the sum of its proper divisors (709688).

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

620872 is a wasteful number, since it uses less digits than its factorization.

620872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100 (or 11096 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 620872 is about 787.9543133964. The cubic root of 620872 is about 85.3101472380.

Adding to 620872 its reverse (278026), we get a palindrome (898898).

The spelling of 620872 in words is "six hundred twenty thousand, eight hundred seventy-two".