621300460 has 48 divisors (see below), whose sum is σ = 1428134400. Its totient is φ = 225167040.

The previous prime is 621300451. The next prime is 621300467. The reversal of 621300460 is 64003126.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (621300467) 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, 62941 + ... + 72139.

It is an arithmetic number, because the mean of its divisors is an integer number (29752800).

Almost surely, 2^621300460 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 621300460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714067200).

621300460 is an abundant number, since it is smaller than the sum of its proper divisors (806833940).

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

621300460 is a wasteful number, since it uses less digits than its factorization.

621300460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9526 (or 9524 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 621300460 is about 24925.8993819681. The cubic root of 621300460 is about 853.2976673054.

Adding to 621300460 its reverse (64003126), we get a palindrome (685303586).

The spelling of 621300460 in words is "six hundred twenty-one million, three hundred thousand, four hundred sixty".