621080 has 16 divisors (see below), whose sum is σ = 1397520. Its totient is φ = 248416.

The previous prime is 621059. The next prime is 621083. The reversal of 621080 is 80126.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7724 + ... + 7803.

It is an arithmetic number, because the mean of its divisors is an integer number (87345).

2⁶²¹⁰⁸⁰ is an apocalyptic number.

It is an amenable number.

621080 is an abundant number, since it is smaller than the sum of its proper divisors (776440).

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

621080 is a wasteful number, since it uses less digits than its factorization.

621080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15538 (or 15534 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 621080 is about 788.0862896917. The cubic root of 621080 is about 85.3196728350.

The spelling of 621080 in words is "six hundred twenty-one thousand, eighty".