621000632 has 16 divisors (see below), whose sum is σ = 1330715760. Its totient is φ = 266143104.

The previous prime is 621000623. The next prime is 621000661. The reversal of 621000632 is 236000126.

621000632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5544593 + ... + 5544704.

It is an arithmetic number, because the mean of its divisors is an integer number (83169735).

Almost surely, 2^621000632 is an apocalyptic number.

It is an amenable number.

621000632 is an abundant number, since it is smaller than the sum of its proper divisors (709715128).

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

621000632 is a wasteful number, since it uses less digits than its factorization.

621000632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11089310 (or 11089306 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 621000632 is about 24919.8842693942. The cubic root of 621000632 is about 853.1603833795.

Adding to 621000632 its reverse (236000126), we get a palindrome (857000758).

The spelling of 621000632 in words is "six hundred twenty-one million, six hundred thirty-two", and thus it is an aban number.