621314430 has 48 divisors (see below), whose sum is σ = 1639047312. Its totient is φ = 150620800.

The previous prime is 621314363. The next prime is 621314443. The reversal of 621314430 is 34413126.

It is a self number, because there is not a number n which added to its sum of digits gives 621314430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81951 + ... + 89210.

It is an arithmetic number, because the mean of its divisors is an integer number (34146819).

Almost surely, 2^621314430 is an apocalyptic number.

621314430 is an abundant number, since it is smaller than the sum of its proper divisors (1017732882).

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

621314430 is a wasteful number, since it uses less digits than its factorization.

621314430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171193 (or 171182 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 621314430 is about 24926.1796110034. The cubic root of 621314430 is about 853.3040627506.

Adding to 621314430 its reverse (34413126), we get a palindrome (655727556).

The spelling of 621314430 in words is "six hundred twenty-one million, three hundred fourteen thousand, four hundred thirty".